country_n which_o abound_v with_o vein_n of_o cinnabar_fw-la be_v probable_o by_o their_o expiration_n preserve_v from_o the_o pestilence_n and_o our_o hypothesis_n will_v perhaps_o appear_v somewhat_o the_o more_o probable_a if_o we_o reflect_v on_o what_o i_o late_o mention_v of_o the_o sudden_a check_n that_o be_v almost_o every_o summer_n give_v to_o the_o plague_n which_o at_o that_o time_n be_v wont_a to_o reign_v at_o grand_a cairo_n for_o since_o it_o be_v general_o observe_v and_o complain_v of_o that_o morbific_a cause_n do_v their_o work_n much_o more_o effectual_o than_o sanative_a one_o it_o seem_v very_o probable_a that_o exhalation_n ascend_v from_o underground_o into_o the_o atmosphere_n may_v be_v capable_a of_o produce_v pestilential_a fever_n and_o the_o plague_n itself_o since_o those_o corpuscle_n that_o impregnate_n the_o egyptian_a air_n upon_o the_o swell_a of_o the_o nile_n be_v able_a to_o put_v a_o speedy_a stop_n not_o only_o to_o the_o contagiousness_n 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considerable_a change_n among_o the_o material_n that_o nature_n have_v plentiful_o treasure_v up_o in_o those_o her_o secret_a magazine_n and_o since_o in_o make_v out_o the_o three_o former_a proposition_n we_o have_v manifest_v that_o the_o subterraneal_a part_n of_o the_o globe_n we_o inhabit_v may_v plentiful_o send_v up_o noxious_a effluvia_fw-la of_o several_a kind_n into_o the_o air_n it_o ought_v not_o to_o seem_v improbable_a that_o among_o this_o emergent_a variety_n of_o exotic_a and_o hurtful_a steam_n some_o may_v be_v find_v capable_a to_o disaffect_v humane_a body_n after_o a_o very_a uncommon_a way_n and_o thereby_o to_o produce_v new_a disease_n who_o duration_n may_v be_v great_a or_o small_a according_a to_o the_o lastingness_n of_o those_o subterraneal_a cause_n that_o produce_v they_o on_o which_o account_n it_o need_v be_v no_o wonder_n that_o some_o new_a disease_n have_v but_o a_o short_a duration_n and_o vanish_v not_o long_o after_o there_o appear_v the_o source_n or_o
of_o mention_v this_o last_o disease_n that_o he_o but_o borrow_v his_o encomium_n of_o mercury_n from_o begninus_n but_o however_o what_o have_v be_v relate_v have_v invite_v i_o to_o consider_v whether_o there_o may_v not_o be_v some_o virtue_n as_o well_o as_o some_o danger_n in_o annulet_n of_o quicksilver_n that_o be_v by_o many_o extol_v against_o the_o plague_n but_o this_o only_a upon_o the_o bye_n proposition_n iii_o it_o be_v likely_a that_o divers_a epidemical_a disease_n be_v in_o great_a part_n produce_v by_o subterraneal_a effluvia_fw-la i_o be_o very_a well_o aware_a that_o divers_a disease_n that_o extraordinary_o invade_v great_a number_n of_o people_n at_o the_o same_o time_n and_o be_v therefore_o by_o the_o greek_n call_v epidemical_a may_v be_v rational_o refer_v to_o manifest_a intemperateness_n of_o the_o air_n in_o point_n of_o heat_n cold_a moisture_n or_o some_o other_o obvious_a quality_n and_o therefore_o the_o proposition_n speak_v but_o of_o some_o 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and_o various_a effluviate_a body_n that_o the_o terrestrial_a globe_n may_v conceal_v in_o its_o bowel_n there_o may_v be_v some_o who_o reek_n ascend_v plentiful_o into_o the_o air_n may_v occasion_v in_o it_o a_o excess_n of_o heat_n cold_a moisture_n thickness_n or_o some_o other_o manifest_a quality_n so_o that_o sometime_o not_o to_o say_v many_o time_n even_o those_o manifest_a intemperateness_n of_o the_o air_n to_o which_o a_o epidemical_a disease_n be_v wont_a to_o be_v whole_o impute_v though_o perhaps_o not_o very_o just_o may_v in_o part_n proceed_v from_o subterraneal_a body_n for_o i_o elsewhere_o show_v that_o these_o by_o their_o conflict_n or_o mutual_a action_n on_o one_o another_o may_v excite_v great_a and_o sudden_a heat_n and_o on_o that_o account_n send_v up_o such_o copious_a steam_n into_o the_o atmosphere_n as_o may_v produce_v there_o sudden_a and_o excessive_a heat_n lightning_n thunder_n etc._n etc._n and_o i_o shall_v now_o add_v what_o perhaps_o will_v appear_v somewhat_o strange_a that_o i_o think_v sudden_a and_o unseasonable_a refrigeration_n of_o the_o air_n may_v proceed_v from_o the_o action_n of_o subterraneal_a body_n upon_o one_o another_o for_o trial_n purposely_o make_v have_v inform_v i_o that_o there_o be_v certain_a mineral_n whereof_o some_o may_v be_v employ_v in_o their_o crude_a simplicity_n and_o the_o other_o require_v but_o a_o slight_a preparation_n such_o as_o it_o may_v have_v in_o the_o bowel_n of_o the_o earth_n which_o mineral_n be_v put_v together_o will_v produce_v by_o their_o reaction_n a_o intense_a degree_n of_o cold_a not_o only_o as_o to_o sense_n but_o when_o examine_v by_o a_o seal_a weatherglass_n the_o change_n of_o the_o air_n that_o produce_v epidemical_a disease_n be_v sometime_o so_o great_a and_o sudden_a that_o they_o can_v in_o my_o opinion_n with_o probability_n be_v impute_v to_o the_o action_n of_o the_o sun_n or_o the_o moon_n which_o be_v cause_n that_o act_n in_o too_o general_a and_o too_o uniform_a a_o way_n to_o have_v those_o particular_a and_o anomalous_a effect_n attribute_v to_o they_o as_o probable_o as_o they_o may_v be_v to_o subterraneal_a body_n that_o often_o act_v with_o more_o suddenness_n and_o impetuosity_n and_o without_o any_o regularity_n at_o least_o that_o be_v know_v to_o we_o the_o difference_n we_o find_v in_o season_n that_o bear_v the_o same_o name_n and_o shall_v be_v alike_o in_o temperatureâ—_n be_v oftentimes_o very_o great_a and_o sometime_o also_o very_o last_v it_o be_v proverbial_o say_v in_o england_n that_o a_o peck_n of_o march_n dust_n be_v worth_a a_o king_n ransom_n so_o unfrequent_a be_v dry_a wether_n during_o that_o month_n in_o our_o climate_n and_o yet_o in_o some_o year_n and_o particular_o the_o last_o it_o be_v a_o rare_a thing_n to_o have_v a_o shower_n either_o in_o march_n april_n or_o may_v sometime_o in_o the_o month_n last_o name_v there_o be_v heat_n great_a than_o in_o the_o dog-day_n of_o that_o same_o 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kind_n be_v so_o obvious_a to_o those_o that_o be_v at_o all_o heedful_a observer_n that_o i_o may_v safe_o pass_v they_o by_o and_o inculcate_v that_o the_o sun_n be_v in_o the_o same_o sign_n at_o the_o same_o time_n of_o the_o year_n it_o do_v not_o appear_v how_o he_o shall_v produce_v so_o great_a a_o disparity_n of_o the_o temperature_n of_o the_o air_n in_o season_n of_o the_o same_o denomination_n as_o the_o winter_n or_o the_o summer_n of_o differ_v and_o yet_o perhaps_o immediate_o consecutive_a year_n and_o therefore_o i_o do_v not_o so_o much_o wonder_n that_o many_o learned_a writer_n fly_v to_o astrology_n for_o a_o account_n of_o these_o irregular_a phaenomena_n and_o ascribe_v they_o to_o the_o influence_n of_o certain_a star_n notwithstanding_o what_o divers_a eminent_a philosopher_n and_o some_o great_a astronomer_n too_o have_v say_v to_o prove_v the_o vanity_n of_o judiciary_n astrology_n i_o shall_v not_o now_o stay_v to_o discuss_v the_o question_n whether_o the_o star_n have_v any_o influence_n distinct_a from_o their_o light_n and_o heat_n because_o my_o opinion_n about_o it_o be_v somewhat_o peculiar_a i_o have_v discourse_v of_o it_o in_o a_o paper_n by_o itself_o but_o this_o i_o shall_v now_o say_v that_o the_o fix_a star_n be_v but_o general_a and_o if_o i_o may_v so_o speak_v indefinite_a agent_n almost_o unimaginable_o remote_a from_o we_o it_o be_v nothing_o near_o so_o likely_a that_o such_o effect_n as_o beside_o that_o they_o happen_v very_o sudden_o and_o irregular_o be_v oftentimes_o confine_v to_o a_o town_n or_o some_o other_o narrow_a compass_n shall_v be_v produce_v by_o certain_a star_n as_o that_o they_o shall_v be_v so_o by_o subterraneal_a body_n which_o be_v near_o at_o hand_n of_o very_o various_a nature_n and_o subject_a to_o many_o irregular_a and_o differ_a motion_n commixture_n reaction_n and_o other_o alteration_n i_o have_v know_v a_o great_a cold_a in_o a_o
day_n or_o two_o invade_v multitude_n in_o the_o same_o city_n with_o violent_a and_o as_o to_o many_o person_n fatal_a symptom_n when_o i_o can_v not_o judge_v as_o other_o also_o do_v not_o that_o the_o bare_a coldness_n of_o the_o air_n can_v so_o sudden_o produce_v a_o disease_n so_o epidemical_a and_o hurtful_a and_o it_o appear_v the_o more_o probable_a that_o the_o cause_n come_v from_o under_o ground_n by_o reason_n that_o it_o begin_v with_o a_o very_a troublesome_a fog_n that_o there_o may_v be_v many_o subterraneal_a body_n which_o by_o their_o commixture_n may_v produce_v a_o sudden_a heat_n will_v be_v easy_o grant_v by_o those_o that_o know_v what_o i_o elsewhere_o purposely_o make_v out_o that_o there_o be_v subterraneal_a menstruum_n and_o be_v acquaint_v with_o chemical_a operation_n such_o as_o the_o great_a effervescence_n make_v when_o oil_n of_o vitriol_n be_v put_v upon_o file_n of_o iron_n or_o spirit_n of_o niter_n upon_o butter_n of_o antimony_n to_o which_o i_o may_v add_v many_o other_o of_o the_o like_a kind_n that_o i_o have_v try_v as_o when_o spirit_n of_o niter_n be_v put_v upon_o file_n either_o of_o iron_n copper_n or_o tin_n or_o upon_o crude_a quicksilver_n which_o i_o shall_v content_v myself_o to_o have_v name_v because_o i_o have_v another_o instance_n that_o come_v close_a to_o our_o present_a purpose_n for_o whereas_o i_o have_v show_v above_o that_o there_o be_v in_o many_o place_n great_a store_n of_o marcasitical_a matter_n beneath_o the_o surface_n of_o the_o earth_n and_o sometime_o very_a near_o it_o i_o shall_v now_o add_v that_o i_o have_v purposely_o try_v that_o put_v a_o little_a spirit_n draw_v from_o niter_n with_o which_o salt_n the_o earth_n in_o many_o place_n abound_v or_o a_o little_a oil_n of_o vitriol_n upon_o powder_a marcasite_n which_o be_v hard_a stone_n be_v more_o difficult_o wrought_v upon_o than_o many_o other_o subterxaneous_a marcasitical_a body_n of_o a_o loose_a texture_n there_o present_o ensue_v a_o strong_a reaction_n between_o the_o liquid_a and_o the_o solid_a body_n whereby_o be_v produce_v much_o heat_n not_o without_o visible_a fume_n and_o strong_o scent_v though_o not_o visible_a exhalation_n and_o such_o kind_n of_o odorous_a effluvia_fw-la be_v emit_v upon_o the_o put_v a_o little_a spirit_n of_o salt_n upon_o our_o powder_a marcasite_n and_o because_o sulphur_n be_v a_o mineral_n that_o either_o pure_a or_o copious_o mix_v with_o other_o be_v to_o be_v plentiful_o meet_v with_o in_o the_o bowel_n of_o the_o earth_n and_o in_o many_o place_n burn_v there_o i_o shall_v add_v that_o i_o have_v find_v acid_a spirit_n of_o sulphur_n make_v the_o common_a way_n to_o work_v sensible_o upon_o marcasitical_a matter_n hard_a enough_o coagulate_v a_o experience_a german_a chemist_n relate_v that_o in_o some_o part_n of_o his_o country_n he_o meet_v with_o vitriol_n stone_n or_o marcasite_n that_o by_o the_o action_n of_o mere_a common_a water_n rest_v a_o competent_a time_n upon_o they_o will_v grow_v so_o hot_a as_o to_o enable_v the_o liquor_n to_o retain_v a_o sensible_a heat_n when_o it_o have_v pass_v a_o pretty_a way_n from_o they_o and_o as_o i_o elsewhere_o show_v that_o many_o accident_n may_v occasion_v the_o break_n out_o of_o water_n or_o the_o change_n of_o their_o course_n in_o subterraneal_a place_n so_o that_o common_a water_n may_v produce_v in_o a_o very_a short_a time_n considerable_a degree_n of_o heat_n in_o mineral_n body_n may_v appear_v by_o mix_v with_o two_o or_o three_o pound_n of_o fine_a powder_n of_o common_a brimstone_n a_o convenient_a quantity_n for_o now_o i_o remember_v not_o well_o how_o much_o i_o take_v of_o file_n of_o iron_n for_o this_o mixture_n be_v thorough_o drench_v with_o common_a water_n do_v in_o a_o short_a time_n grow_v intense_o hot_a and_o send_v up_o such_o a_o thick_a smoke_n as_o good_a quicklime_n be_v wont_a to_o do_v whilst_o man_n slake_v it_o with_o water_n it_o be_v observable_a to_o our_o present_a purpose_n what_o account_n be_v give_v i_o by_o a_o domestic_a of_o i_o that_o live_v in_o the_o north_n part_n of_o england_n of_o a_o certain_a mineral_n groove_n which_o he_o have_v often_o occasion_n to_o resort_v to_o for_o when_o i_o ask_v whether_o the_o damp_n that_o place_n be_v molest_v with_o do_v frequent_o recur_n he_o answer_v i_o that_o at_o the_o time_n he_o be_v there_o it_o will_v annoy_v the_o workman_n if_o they_o do_v not_o take_v good_a care_n of_o themselves_o more_o than_o once_o in_o one_o day_n and_o by_o inquiry_n that_o i_o make_v of_o other_o that_o be_v conversant_a in_o mine_n i_o learn_v that_o in_o divers_a place_n they_o be_v molest_v with_o damp_n that_o come_v not_o at_o state_v period_n but_o irregular_o sometime_o with_o much_o great_a and_o sometime_o with_o far_o lesser_a interval_n between_o they_o the_o time_n of_o their_o duration_n be_v also_o not_o seldom_o unequal_a so_o that_o suppose_v such_o noxious_a effluvia_fw-la to_o be_v plentiful_o emit_v from_o the_o low_a part_n of_o the_o soil_n it_o need_v be_v no_o wonder_n that_o a_o epidemical_a disease_n shall_v be_v rise_v in_o this_o or_o that_o particular_a town_n or_o part_n of_o a_o country_n without_o spread_v much_o far_o and_o that_o it_o shall_v begin_v sudden_o in_o place_n where_o it_o be_v not_o expect_v for_o beside_o that_o these_o swarm_n of_o effluvia_fw-la be_v produce_v by_o casual_a concourse_n of_o circumstance_n may_v oftentimes_o be_v excite_v and_o invade_v this_o or_o that_o place_n without_o give_v the_o inhabitant_n any_o warning_n beside_o this_o i_o say_v it_o be_v not_o always_o necessary_a that_o these_o noxious_a effluvia_fw-la shall_v be_v generate_v just_a under_o the_o place_n they_o molest_v since_o the_o motion_n of_o the_o air_n especial_o when_o the_o wind_n sit_v favourable_o may_v suffice_v to_o carry_v they_o to_o the_o town_n or_o other_o place_n that_o feel_v their_o ill_a effect_n and_o yet_o they_o may_v seem_v to_o be_v almost_o confine_v to_o those_o place_n sometime_o because_o the_o neighbour_a place_n be_v not_o inhabit_v enough_o to_o make_v their_o ill_a quality_n take_v notice_n of_o but_o more_o frequent_o because_o by_o be_v diffuse_v through_o a_o great_a tract_n of_o air_n they_o be_v more_o and_o more_o disperse_v in_o their_o passage_n and_o thereby_o so_o dilute_v if_o i_o may_v so_o speak_v and_o weaken_v as_o not_o to_o be_v able_a to_o do_v any_o notorious_a mischief_n and_o here_o i_o consider_v too_o that_o it_o be_v not_o always_o necessary_a that_o the_o harm_n that_o be_v do_v by_o these_o morbid_v constitution_n of_o the_o air_n shall_v proceed_v only_o or_o precise_o from_o these_o subterraneal_a exhalation_n we_o be_v speak_v of_o by_o virtue_n only_o of_o their_o own_o quality_n which_o they_o bring_v with_o they_o from_o under_o ground_n for_o it_o be_v very_o possible_a that_o these_o effluvia_fw-la may_v be_v in_o their_o own_o nature_n either_o innocent_a enough_o or_o at_o least_o not_o considerable_o hurtful_a and_o yet_o may_v become_v very_o noxious_a if_o they_o chance_v to_o find_v the_o air_n already_o imbue_v with_o certain_a corpuscle_n fit_a to_o associate_v with_o they_o for_o though_o these_o sort_n of_o particle_n be_v perhaps_o neither_o of_o they_o apart_o considerable_o hurtful_a yet_o there_o may_v from_o their_o combination_n result_v corpuscle_n of_o a_o new_a and_o very_o morbific_a nature_n this_o may_v be_v somewhat_o illustrate_v by_o consider_v that_o the_o spirituous_a steam_n of_o saltpetre_n be_v not_o wont_n sensible_o to_o work_v on_o gold_n nor_o yet_o the_o spirituous_a part_n that_o the_o fire_n raise_v from_o sal-armoniac_a and_o yet_o when_o these_o two_o sort_n of_o particle_n convene_v there_o result_v from_o their_o coalition_n certain_a corpuscle_n of_o a_o new_a nature_n that_o compose_v the_o liquor_n chemist_n call_v aqua_fw-la regis_fw-la which_o by_o its_o fret_a quality_n corrode_v and_o dissolve_v gold_n by_o analogy_n to_o this_o we_o may_v conceive_v that_o sometime_o the_o subterraneal_a effluvia_fw-la may_v find_v the_o air_n already_o impregnate_v with_o such_o corpuscle_n that_o by_o associate_a themselves_o therewith_o they_o may_v compose_v corpuscle_n far_o more_o capable_a than_o themselves_o be_v whilst_o apart_o of_o have_v ill_a effect_n upon_o the_o mass_n of_o blood_n or_o some_o determinate_a part_n of_o humane_a body_n and_o consequent_o of_o produce_v disease_n there_o and_o this_o instance_n may_v appear_v the_o more_o apposite_a because_o it_o may_v be_v say_v that_o as_o though_o silver_n and_o gold_n and_o diamond_n and_o ruby_n etc._n etc._n be_v put_v together_o and_o aqua_fw-la regis_fw-la be_v pour_v upon_o they_o it_o will_v leave_v all_o the_o rest_n uncorrode_v and_o fall_v only_o upon_o the_o gold_n so_o the_o new_o produce_v corpuscle_n that_o i_o have_v be_v speak_v of_o whether_o
malignity_n of_o the_o plague_n yet_o i_o doubt_v they_o be_v not_o sufficient_a for_o so_o wonderful_a a_o effect_n unless_o we_o take_v in_o some_o new_a exhalation_n that_o then_o impregnate_n and_o correct_v the_o air._n and_o we_o shall_v scarce_o doubt_v of_o the_o great_a interest_n these_o have_v in_o the_o effect_n produce_v if_o we_o give_v credit_n to_o what_o the_o recent_a writer_n i_o have_v meet_v with_o of_o voyage_n into_o egypt_n have_v late_o publish_v about_o the_o annual_a pestilence_n at_o grand_a cairo_n a_o city_n he_o much_o frequent_v this_o author_n in_o the_o account_n he_o give_v of_o the_o present_a state_n of_o egypt_n relate_v that_o a_o little_a after_o the_o middle_n of_o our_o june_n and_o usual_o upon_o the_o very_a seventeen_o day_n there_o begin_v to_o fall_v towards_o the_o last_o quarter_n of_o the_o night_n near_o the_o morning_n certain_a drop_n of_o a_o kind_n of_o dew_n which_o cause_v the_o river_n to_o be_v fruitful_a and_o purify_v the_o air_n from_o all_o the_o infection_n of_o camsim_n by_o which_o i_o presume_v he_o mean_v the_o pestilence_n for_o after_o some_o line_n interpose_v he_o subjoin_v the_o drop_n or_o dew_n purify_v the_o air_n for_o as_o soon_o as_o it_o fall_v the_o plague_n cease_v to_o be_v mortal_a none_o die_v of_o it_o the_o air_n be_v wholesome_a all_o distemper_n cease_v and_o if_o any_o person_n grow_v sick_a he_o never_o die_v and_o then_o he_o add_v this_o dew_n give_v life_n to_o every_o thing_n and_o when_o it_o fall_v upon_o the_o wheat_n it_o cause_v it_o to_o continue_v many_o year_n without_o corruption_n or_o worm_n and_o be_v far_o more_o nourish_a than_o that_o corn_n on_o which_o it_o never_o fall_v for_o this_o cause_n they_o never_o house_v the_o corn_n of_o the_o grand_a signior_n in_o the_o barn_n till_o this_o dew_n be_v fall_v upon_o it_o that_o it_o may_v keep_v the_o long_o without_o worm_n as_o well_o this_o conjecture_n as_o some_o other_o thing_n deliver_v here_o and_o there_o in_o this_o paper_n about_o the_o salubrity_n of_o the_o air_n may_v probable_o gain_v the_o more_o credit_n if_o i_o here_o subjoin_v what_o i_o learn_v by_o inquiry_n from_o a_o very_a ingenious_a gentleman_n who_o be_v owner_n of_o one_o or_o more_o of_o the_o mine_n that_o afford_v the_o phaenomenon_n i_o be_o to_o mention_v which_o be_v this_o that_o in_o the_o tin-mine_a country_n in_o devonshire_n it_o sometime_o happen_v as_o perhaps_o i_o may_v have_v elsewhere_o note_v to_o another_o purpose_n that_o upon_o a_o sudden_a a_o spot_n of_o ground_n and_o that_o not_o always_o narrow_a will_v be_v as_o it_o be_v blast_v by_o the_o ascend_a hurtful_a fume_n insomuch_o that_o not_o only_o the_o grass_n fern_n and_o other_o more_o tender_a vegetable_n will_v be_v turn_v black_a and_o as_o it_o be_v burn_v or_o scorch_v up_o but_o now_o and_o then_o tree_n also_o without_o except_v oak_n themselves_o will_v be_v blast_v and_o spoil_v by_o the_o powerful_a operation_n of_o these_o subtle_a and_o poisonous_a effluvia_fw-la it_o will_v probable_o be_v here_o expect_v that_o among_o the_o epidemical_a disease_n that_o our_o hypothesis_n derive_v from_o subterraneal_a effluvia_fw-la i_o shall_v particular_o treat_v of_o the_o cause_n of_o pestilential_a fever_n and_o the_o plague_n itself_o but_o though_o some_o such_o fever_n may_v not_o improbable_o be_v in_o great_a part_n impute_v to_o the_o noxious_a expiration_n of_o the_o globe_n we_o inhabit_v yet_o as_o to_o the_o true_a plague_n itself_o i_o free_o confess_v i_o be_o at_o a_o loss_n about_o its_o origine_fw-la the_o sacred_a write_n express_o teach_v that_o some_o plague_n and_o particular_o that_o which_o in_o david_n time_n sweep_v away_o in_o three_o day_n 70000_o person_n have_v be_v in_o a_o extraordinary_a manner_n inflict_v by_o god_n and_o to_o i_o it_o appear_v either_o scarce_o possible_a or_o far_o more_o difficult_a than_o those_o that_o have_v not_o attentive_o enough_o consider_v the_o matter_n be_v wont_a to_o think_v it_o to_o deduce_v the_o abstruse_a origine_fw-la strange_a symptom_n and_o other_o odd_a phaenomena_n of_o some_o plague_n that_o be_v record_v in_o history_n from_o mere_o corporeal_a cause_n on_o the_o other_o side_n it_o seem_v unphilosophical_a and_o perhaps_o rather_o seem_v than_o be_v very_o pious_a to_o recur_v without_o a_o absolute_a necessity_n to_o supernatural_a cause_n for_o such_o effect_n as_o do_v not_o manifest_o exceed_v the_o power_n of_o natural_a one_o though_o the_o particular_a manner_n of_o their_o be_v produce_v be_v perchance_o more_o than_o we_o be_v yet_o able_a clear_o to_o explicate_v and_o i_o think_v it_o the_o more_o questionable_a whether_o all_o plague_n be_v supernatural_a exertion_n of_o god_n power_n and_o wrath_n against_o the_o wicked_a because_o i_o observe_v that_o brute_n which_o be_v as_o well_o uncapable_a of_o moral_a vice_n as_o moral_a virtue_n be_v yet_o oftentimes_o subject_a to_o murrain_n such_o as_o may_v without_o incongruity_n be_v look_v upon_o as_o the_o pestilence_n of_o beast_n and_o it_o be_v the_o less_o likely_a that_o these_o sweep_a and_o contagious_a malady_n shall_v be_v always_o send_v for_o the_o punishment_n of_o impious_a man_n because_o i_o remember_v to_o have_v read_v in_o good_a author_n that_o as_o some_o plague_n destroy_v both_o man_n and_o beast_n so_o some_o other_o do_v peculiar_o destroy_v brute_n animal_n of_o very_o little_a consideration_n or_o use_n to_o man_n as_o cat_n etc._n etc._n upon_o these_o and_o the_o like_a reason_n i_o have_v sometime_o suspect_v that_o in_o the_o controversy_n about_o the_o origine_fw-la of_o the_o plague_n namely_o whether_o it_o be_v natural_a or_o supernatural_a neither_o of_o the_o contend_a party_n be_v altogether_o in_o the_o right_n since_o it_o be_v very_o possible_a that_o some_o pestilence_n may_v not_o break_v forth_o without_o a_o extraordinary_a though_o perhaps_o not_o immediate_a interposition_n of_o almighty_a god_n provoke_v by_o the_o sin_n of_o man_n and_o yet_o other_o plague_n may_v be_v produce_v by_o a_o tragical_a concourse_n of_o mere_o natural_a cause_n but_o though_o the_o difficulty_n that_o encumber_v each_o of_o the_o opposite_a opinion_n keep_v i_o both_o from_o dogmatical_o assert_v that_o all_o plague_n have_v a_o supernatural_a origine_fw-la and_o from_o deny_v that_o any_o have_v it_o yet_o to_o say_v something_o on_o such_o a_o occasion_n though_o i_o can_v speak_v but_o very_o hesitant_o i_o shall_v venture_v to_o add_v that_o whether_o or_o no_o the_o true_a plague_n be_v say_v to_o descend_v to_o the_o earth_n from_o a_o high_a sphere_n than_o that_o of_o nature_n yet_o its_o propagation_n and_o effect_n be_v at_o least_o for_o the_o most_o part_n carry_v on_o main_o by_o a_o malignant_a disposition_n in_o the_o air_n without_o which_o some_o plague_n can_v never_o have_v be_v so_o catch_v as_o they_o be_v nor_o so_o sudden_o mortal_a and_o that_o in_o divers_a pestilence_n this_o malignant_a disposition_n in_o the_o air_n may_v probable_o be_v in_o great_a part_n impute_v to_o some_o kind_n of_o subterraneal_a expiration_n i_o be_o prone_a to_o think_v and_o that_o chief_o upon_o two_o account_n the_o first_o thing_n that_o induce_v i_o to_o this_o conjecture_n be_v that_o not_o any_o of_o the_o several_a cause_n to_o which_o the_o plague_n be_v wont_a to_o be_v impute_v seem_v to_o i_o to_o be_v sufficient_a those_o that_o fetch_v it_o from_o the_o malevolent_a aspect_n and_o influence_n of_o the_o celestial_a light_n beside_o that_o they_o suppose_v some_o thing_n very_o difficult_a to_o be_v prove_v have_v recourse_n to_o agent_n too_o remote_a too_o general_a and_o too_o indeterminate_a to_o be_v acquiesce_v in_o as_o the_o cause_n of_o such_o particular_a symptom_n and_o phaenomena_n as_o oftentimes_o accompany_v pestilence_n and_o as_o for_o those_o other_o sect_n of_o physician_n that_o confident_o derive_v the_o plague_n some_o from_o internal_a putrefaction_n and_o other_o from_o excessive_a heat_n noisome_a stink_v corrupt_a aliment_n and_o such_o other_o celebrate_v cause_n though_o each_o party_n allege_v plausible_a reason_n for_o its_o own_o opinion_n yet_o their_o objection_n against_o their_o adversary_n be_v much_o strong_a than_o their_o argument_n be_v for_o themselves_o and_o the_o learned_a diemerbroeck_a though_o his_o own_o hypothesis_n seem_v to_o be_v more_o theological_a than_o philosophical_a have_v much_o enervate_v the_o argument_n bring_v for_o the_o several_a opinion_n late_o name_v and_o by_o he_o dissent_v from_o the_o reason_n he_o employ_v to_o refute_v all_o the_o receive_v opinion_n about_o the_o origine_fw-la of_o the_o plague_n except_o his_o own_o be_v divers_a of_o they_o worthy_a of_o so_o learned_a a_o man_n to_o who_o though_o i_o have_v leisure_n to_o transcribe_v they_o i_o shall_v refer_v the_o curious_a my_o present_a design_n be_v only_o
the_o peculiar_a modification_n of_o the_o other_o motion_n though_o the_o experiment_n deliver_v in_o the_o forego_n chapter_n have_v i_o presume_v sufficient_o manifest_v that_o the_o modification_n give_v to_o the_o motion_n of_o the_o air_n by_o sonorous_a body_n may_v have_v considerable_a effect_n upon_o animal_n in_o who_o organise_v body_n the_o curious_o contrive_a part_n have_v a_o admirable_a connexion_n with_o and_o relation_n to_o one_o another_o and_o to_o the_o whole_a symmetrical_a fabric_n they_o make_v up_o yet_o i_o fear_v it_o will_v scarce_o seem_v credible_a that_o sonorous_a motion_n of_o the_o air_n not_o very_o loud_a shall_v find_v even_o in_o body_n inanimate_a and_o inorganicall_a such_o congruous_a texture_n and_o other_o disposition_n to_o admit_v their_o action_n that_o even_o more_o languid_a sound_n peculiar_o modify_v may_v sensible_o operate_v upon_o they_o and_o much_o more_o than_o sound_n that_o be_v loud_o and_o more_o vehement_a but_o not_o so_o happy_o modify_v to_o make_v this_o good_a by_o particular_a experiment_n i_o shall_v begin_v with_o that_o which_o though_o the_o effect_n may_v seem_v inferior_a to_o that_o of_o most_o of_o the_o other_o i_o judge_v fit_a to_o manifest_v that_o the_o produce_v motion_n depend_v upon_o the_o determinate_a modification_n of_o that_o of_o the_o impellent_fw-fr fluid_n that_o a_o certain_a impulse_n of_o air_n make_v by_o one_o of_o the_o unison-string_n of_o a_o musical_a instrument_n may_v suffice_v to_o produce_v a_o visible_a motion_n in_o another_o be_v now_o become_v a_o know_a experiment_n of_o the_o cause_n and_o some_o unobserved_a phaenomena_n of_o which_o i_o elsewhere_o more_o full_o discourse_n but_o that_o it_o may_v not_o be_v suspect_v in_o this_o case_n that_o the_o shake_v of_o the_o untouched_a string_n be_v communicate_v to_o it_o by_o the_o propagate_v motion_n of_o the_o instrument_n itself_o to_o which_o the_o string_n that_o be_v strike_v be_v also_o fasten_v i_o shall_v add_v that_o according_a to_o what_o i_o elsewhere_o relate_v i_o find_v by_o trial_n purposely_o make_v that_o a_o string_n of_o wire_n which_o you_o will_v grant_v to_o be_v a_o more_o solid_a body_n than_o a_o ordinary_a gut-string_n may_v be_v without_o another_o string_n bring_v to_o tremble_v by_o a_o determinate_a sound_n make_v at_o a_o distance_n which_o produce_v but_o such_o a_o impulse_n of_o the_o air_n as_o can_v neither_o be_v see_v nor_o feel_v by_o the_o bystander_n nor_o will_v communicate_v any_o sensible_a motion_n to_o the_o neighbour_a string_n it_o be_v true_a that_o in_o this_o case_n the_o string_n in_o which_o the_o tremble_a be_v produce_v be_v a_o single_a long_a slender_a and_o springy_a body_n fasten_v at_o both_o end_n to_o a_o stable_a one_o and_o therefore_o it_o may_v seem_v altogether_o groundless_a to_o expect_v that_o any_o thing_n like_o this_o effect_n shall_v be_v by_o the_o same_o cause_n produce_v in_o body_n that_o do_v not_o appear_v so_o qualify_v but_o as_o we_o elsewhere_o show_v that_o a_o certain_a degree_n or_o measure_n of_o tension_n be_v in_o order_n to_o this_o phaenomenon_n the_o principal_a qualification_n without_o which_o all_o the_o other_o will_v be_v unavailable_a perhaps_o it_o will_v not_o be_v absurd_a to_o inquire_v whether_o in_o body_n of_o a_o very_a differ_a appearance_n from_o string_n the_o various_a texture_n connexion_n and_o complication_n that_o nature_n or_o art_n or_o both_o may_v make_v of_o the_o part_n may_v not_o bring_v they_o to_o a_o state_n equivalent_a to_o the_o tension_n of_o the_o string_n of_o musical_a instrument_n whereby_o divers_a of_o the_o mention_a part_n may_v be_v stretch_v in_o the_o manner_n requisite_a to_o dispose_v they_o to_o receive_v a_o vibrate_n motion_n from_o some_o peculiar_a sound_n and_o whether_o these_o tremble_a part_n may_v not_o be_v numerous_a enough_o to_o affect_v their_o neighbour_n and_o make_v in_o the_o body_n they_o belong_v to_o a_o tremulous_a motion_n discernible_a though_o not_o by_o the_o eye_n yet_o by_o some_o other_o sense_n this_o conjecture_n or_o inquiry_n you_o will_v i_o hope_v have_v the_o less_o unfavourable_a thought_n of_o when_o you_o shall_v have_v consider_v the_o follow_a experiment_n i_o remember_v that_o many_o year_n ago_o i_o find_v by_o trial_n that_o if_o a_o somewhat_o large_a and_o almost_o hemispherical_a glass_n though_o not_o very_o thin_a be_v convenient_o place_v a_o determinate_a sound_n make_v at_o a_o convenient_a distance_n from_o the_o concave_a surface_n of_o the_o glass_n will_v make_v it_o sensible_o ring_n as_o a_o bell_n do_v a_o while_n after_o it_o have_v be_v strike_v but_o this_o noise_n be_v the_o effect_n of_o a_o determinate_a sound_n for_o though_o the_o voice_n be_v raise_v to_o a_o high_a tone_n or_o if_o the_o sound_n be_v make_v loud_o the_o same_o effect_n will_v not_o ensue_v i_o remember_v also_o thâ—â—_n some_o year_n after_o i_o observe_v that_o large_a empty_a drinking-glass_n of_o fine_a white_a metal_n have_v each_o of_o they_o its_o determinate_a tension_n or_o some_o disposition_n that_o be_v equivalent_a as_o to_o our_o purpose_n for_o cause_v the_o string_n of_o a_o musical_a instrument_n to_o be_v various_o screw_v up_o and_o let_v down_o and_o brisk_o strike_v we_o find_v as_o i_o expect_v that_o the_o motion_n of_o one_o string_n when_o it_o be_v stretch_v to_o a_o certain_a note_n or_o tone_n will_v make_v one_o of_o the_o glass_n ring_n and_o not_o the_o other_o nor_o will_v the_o sound_n of_o the_o same_o string_n tune_v to_o another_o note_n sensible_o affect_v the_o first_o glass_n though_o perhaps_o it_o may_v have_v its_o operation_n upon_o another_o and_o this_o circumstance_n be_v not_o on_o this_o occasion_n to_o be_v omit_v that_o after_o we_o have_v find_v the_o tone_n proper_a to_o one_o of_o the_o glass_n and_o so_o tune_v the_o string_n that_o i_o say_v when_o that_o be_v strike_v the_o glass_n will_v resound_v have_v afterward_o break_v off_o a_o part_n of_o the_o foot_n of_o the_o glass_n yet_o not_o so_o much_o but_o that_o it_o continue_v to_o stand_v upright_o the_o same_o sound_n of_o the_o string_n will_v no_o long_o be_v answer_v by_o the_o vessel_n but_o we_o be_v oblige_v to_o alter_v the_o tension_n of_o the_o string_n to_o produce_v the_o former_a effect_n the_o learned_a kircherus_n as_o i_o have_v be_v inform_v somewhere_o mention_n a_o correspondence_n between_o some_o liquor_n and_o some_o determinate_a sound_n which_o i_o suppose_v may_v be_v true_a though_o the_o trial_n do_v not_o succeed_v with_o i_o perhaps_o for_o want_v of_o such_o accommodation_n for_o so_o nice_a a_o experiment_n as_o i_o can_v have_v wish_v but_o can_v not_o procure_v but_o if_o you_o can_v you_o will_v oblige_v i_o to_o make_v the_o trial_n so_o as_o to_o satisfy_v yourself_o and_o i_o whether_o the_o agitation_n of_o the_o liquor_n be_v cause_v immediate_o by_o the_o motion_n of_o the_o air_n or_o be_v communicate_v by_o the_o intervention_n of_o the_o tremble_n of_o the_o vessel_n a_o artist_n famous_a for_o his_o skill_n in_o make_v organ_n answer_v i_o that_o at_o some_o stop_n of_o the_o organ_n some_o seat_n in_o the_o church_n will_v tremble_v but_o because_o i_o suspect_v by_o his_o relation_n that_o the_o greatness_n of_o the_o sound_n chief_o effect_v it_o because_o when_o that_o pipe_n which_o they_o call_v the_o open_a diapason_n sound_n the_o chair_n or_o seat_n on_o which_o the_o organist_n sit_v and_o perhaps_o the_o neighbour_a part_n of_o the_o organ_n tremble_v i_o shall_v add_v that_o i_o have_v divers_a time_n observe_v certain_a sound_n of_o a_o excellent_a organ_n to_o make_v not_o only_o the_o seat_n i_o sit_v on_o in_o the_o church_n tremble_v under_o i_o but_o produce_v a_o odd_a tremulous_a motion_n in_o the_o upper_a part_n of_o my_o hat_n that_o i_o can_v plain_o feel_v with_o my_o hand_n and_o that_o which_o make_v i_o apt_a to_o believe_v that_o this_o effect_n depend_v upon_o the_o determinate_a tone_n rather_o than_o upon_o the_o loudness_n of_o the_o sound_n be_v that_o i_o have_v oftentimes_o feel_v and_o diligent_o observe_v such_o a_o kind_n of_o motion_n in_o the_o upper_a part_n of_o my_o hat_n upon_o the_o pronounce_v of_o some_o word_n in_o ordinary_a discourse_n in_o which_o case_n the_o effect_n can_v not_o with_o probability_n be_v refer_v to_o the_o greatness_n of_o the_o sound_n but_o its_o peculiar_a fitness_n to_o communicate_v such_o a_o motion_n to_o a_o body_n so_o dispose_v nor_o be_v it_o only_o in_o such_o small_a and_o yield_a body_n as_o hat_n and_o string_n that_o sound_v that_o be_v not_o boisterous_a may_v produce_v sensible_a effect_n for_o if_o they_o be_v congruous_a to_o the_o texture_n of_o the_o body_n they_o be_v to_o work_v on_o they_o may_v excite_v motion_n in_o it_o though_o it_o
in_o the_o production_n of_o divers_a difficult_a phaenomena_n of_o nature_n that_o be_v wont_a to_o be_v refer_v to_o less_o genuine_a as_o well_o as_o less_o intelligible_a cause_n finis_fw-la a_o experimental_a discourse_n of_o some_o unheeded_a cause_n of_o the_o insalubrity_n and_o salubrity_n of_o the_o air_n be_v a_o part_n of_o a_o intend_a natural_a history_n of_o air_n london_n print_v by_o m._n flesher_n for_o richard_n davis_n bookseller_n in_o oxford_n 1685._o the_o preface_n have_v heretofore_o have_v occasion_n to_o draw_v together_o under_o certain_a head_n divers_a unpublished_a observation_n and_o experiment_n of_o my_o own_o and_o some_o of_o other_o man_n by_o way_n of_o memorial_n for_o a_o natural_a history_n of_o the_o air_n i_o think_v fit_a by_o more_o large_o treat_v of_o two_o or_o three_o of_o the_o subject_n distinct_o mention_v in_o my_o scheme_n of_o title_n to_o give_v a_o semplar_n or_o specimen_fw-la of_o what_o may_v be_v do_v upon_o the_o other_o head_n of_o the_o design_a history_n upon_o this_o account_n i_o treat_v somewhat_o large_o of_o the_o salubrity_n and_o insalubrity_n of_o the_o air_n as_o a_o subject_a which_o for_o the_o importance_n of_o it_o to_o man_n health_n and_o life_n i_o think_v deserve_v to_o be_v attentive_o consider_v and_o have_v its_o cause_n diligent_o inquire_v into_o and_o have_v observe_v that_o among_o the_o six_o principal_a cause_n of_o the_o healthfulness_n or_o insalubrity_n of_o the_o air_n namely_o the_o climate_n the_o soil_n the_o situation_n of_o the_o place_n the_o season_n of_o the_o year_n the_o reign_a wind_n and_o contingency_n whether_o more_o or_o less_o frequent_a and_o especial_o subterraneal_a steam_n have_v i_o say_v observe_v that_o among_o these_o cause_n there_o be_v one_o viz._n the_o last_o name_v about_o which_o i_o think_v i_o can_v offer_v something_o that_o i_o have_v not_o meet_v with_o in_o the_o book_n of_o physician_n that_o treat_v of_o it_o i_o be_v thereby_o invite_v to_o set_v down_o my_o thought_n and_o observation_n by_o way_n of_o conjecture_n which_o i_o be_v make_v to_o believe_v will_v appear_v uncommon_a and_o will_v not_o prove_v useless_a these_o observation_n and_o reflection_n i_o refer_v for_o clearness_n and_o distinction_n sake_n to_o four_o proposition_n but_o when_o i_o have_v go_v through_o the_o three_o first_o and_o make_v some_o progress_n in_o the_o four_o be_v hinder_v by_o divers_a avocation_n to_o make_v a_o end_n of_o it_o i_o lay_v by_o the_o whole_a discourse_n in_o a_o place_n which_o i_o think_v a_o safe_a one_o but_o when_o afterward_o i_o have_v some_o opportunity_n to_o dispatch_v what_o remain_v i_o find_v all_o the_o diligence_n i_o use_v to_o retrieve_v the_o entire_a manuscript_n unsuccessfull_a at_o this_o surprise_v accident_n i_o confess_v i_o be_v somewhat_o trouble_v because_o whatever_o may_v be_v think_v of_o the_o discursive_a part_n of_o those_o paper_n the_o historical_a part_n contain_v divers_a matter_n of_o fact_n that_o i_o do_v not_o meet_v with_o in_o book_n nor_o can_v now_o distinct_o remember_v and_o will_v not_o perhaps_o be_v light_v on_o by_o even_a physician_n or_o such_o naturalist_n as_o derive_v their_o knowledge_n only_o from_o they_o it_o be_v upon_o this_o consideration_n that_o have_v afterward_o meet_v with_o many_o paper_n that_o belong_v to_o most_o part_n of_o the_o unhappy_a discourse_n i_o think_v fit_a to_o put_v they_o together_o in_o the_o best_a order_n i_o can_v that_o i_o may_v not_o loose_v what_o may_v give_v some_o light_n to_o so_o important_a a_o subject_a as_o the_o theory_n of_o disease_n and_o this_o course_n i_o the_o rather_o pitch_v upon_o because_o before_o the_o paper_n about_o the_o salubrity_n of_o the_o air_n i_o miss_v two_o other_o of_o my_o manuscript_n whereof_o the_o former_a contain_v a_o cellection_n of_o medicinal_a thing_n and_o the_o second_o a_o defence_n of_o the_o mechanical_a way_n of_o philosophize_v about_o natural_a thing_n as_o it_o respect_v religion_n and_o i_o remember_v that_o have_v former_o lose_v a_o manuscript_n i_o be_v much_o concern_v for_o i_o purposely_o make_v a_o noise_n of_o it_o whence_o i_o suppose_v the_o plagiary_n will_v conclude_v himself_o unable_a to_o make_v it_o pass_v for_o he_o and_o in_o effect_n the_o book_n be_v in_o a_o while_n after_o private_o bring_v back_o so_o that_o i_o find_v it_o lay_v in_o a_o by-place_n where_o i_o have_v before_o as_o fruitless_o as_o careful_o seek_v it_o a_o experimental_a discourse_n of_o some_o unheeded_a cause_n of_o the_o insalubrity_n and_o salubrity_n of_o the_o air_n etc._n etc._n the_o six_o and_o last_o thing_n upon_o which_o the_o salubrity_n and_o insalubrity_n of_o the_o air_n depend_v be_v the_o impregnation_n it_o receive_v from_o subterraneal_a effluvia_fw-la and_o though_o this_o be_v a_o cause_n not_o wont_a to_o be_v much_o heed_v by_o physician_n themselves_o yet_o i_o take_v it_o to_o be_v oftentimes_o one_o of_o the_o most_o considerable_a in_o its_o effect_n the_o effluvia_fw-la that_o pass_v into_o the_o air_n may_v be_v distinguish_v into_o several_a sort_n according_a to_o their_o respective_a nature_n as_o have_v be_v elsewhere_o show_v wherefore_o i_o shall_v now_o only_o take_v notice_n of_o the_o difference_n that_o may_v be_v take_v from_o place_n and_o time_n upon_o which_o account_n we_o may_v consider_v that_o some_o of_o they_o arise_v from_o the_o crust_n if_o i_o may_v so_o call_v it_o or_o more_o superficial_a part_n of_o the_o earth_n and_o other_o have_v a_o deep_a original_a ascend_v out_o of_o the_o low_a part_n and_o as_o it_o be_v bowel_n of_o the_o terraqueous_a globe_n and_o to_o this_o difference_n take_v from_o place_n i_o must_v add_v another_o perhaps_o no_o less_o considerable_a afford_v by_o time_n which_o difference_n relate_v chief_o to_o the_o second_o sort_n of_o steam_n new_o mention_v of_o the_o subterraneal_a effluvia_fw-la some_o be_v almost_o constant_o or_o daily_o send_v up_o into_o the_o air_n and_o those_o i_o therefore_o call_v ordinary_a emission_n and_o other_o ascend_v into_o the_o air_n but_o at_o time_n which_o be_v not_o seldom_o distant_a enough_o from_o one_o another_o and_o those_o i_o call_v extraordinary_a emission_n whether_o they_o come_v at_o state_v time_n and_o so_o deserve_v the_o title_n of_o periodical_a or_o else_o uncertain_o sometime_o with_o far_o great_a sometime_o with_o far_o small_a interval_n and_o so_o may_v be_v call_v fortuitous_a or_o irregular_a but_o though_o i_o think_v it_o may_v render_v what_o i_o be_o about_o to_o say_v more_o clear_a if_o i_o make_v and_o premise_v the_o two_o forego_v distinction_n yet_o because_o in_o many_o case_n nature_n do_v not_o appear_v solicitous_a to_o observe_v they_o but_o at_o the_o same_o time_n imbue_v the_o air_n with_o steam_n referable_a to_o divers_a member_n of_o these_o distinction_n i_o shall_v several_a time_n though_o not_o always_o take_v the_o liberty_n to_o imitate_v she_o and_o consider_v the_o effluvia_fw-la of_o the_o terraqueous_a globe_n in_o the_o more_o general_a notion_n that_o they_o be_v so_o i_o know_v it_o be_v frequent_o observe_v and_o usual_o grant_v that_o marish_a ground_n and_o wet_a soil_n be_v wont_a to_o be_v unhealthful_a because_o of_o the_o moist_a and_o crude_a vapour_n that_o the_o stagnate_a water_n send_v up_o too_o copious_o into_o the_o air._n and_o on_o the_o other_o side_n dry_a soil_n be_v because_o of_o their_o be_v such_o general_o look_v upon_o as_o healthy_a nor_o do_v i_o deny_v that_o these_o observation_n do_v most_o common_o hold_v true_a but_o yet_o i_o think_v that_o beside_o what_o can_v be_v just_o ascribe_v to_o the_o moist_a vapour_n or_o dry_a exhalation_n we_o have_v be_v speak_v of_o in_o many_o place_n the_o healthfulness_n and_o insalubrity_n of_o the_o air_n may_v be_v ascribe_v to_o other_o sort_n of_o effluvia_fw-la from_o the_o soil_n than_o 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in_o ireland_n where_o they_o be_v so_o rise_v as_o common_o to_o pass_v under_o the_o name_n of_o the_o country_n disease_n that_o these_o endemical_a or_o if_o we_o may_v so_o call_v they_o topical_a distemper_n do_v in_o many_o place_n proceed_v from_o some_o excessive_a heat_n moisture_n or_o other_o manifest_a quality_n of_o the_o air_n from_o bad_a diet_n vulgar_a intemperance_n and_o other_o cause_n that_o have_v little_a or_o no_o connexion_n with_o subterraneal_a reek_n i_o ready_o grant_v but_o that_o in_o some_o place_n the_o endemical_a disease_n may_v either_o be_v principal_o cause_v or_o much_o foment_v by_o noxious_a effluvia_fw-la i_o be_o incline_v to_o suspect_v upon_o the_o follow_a ground_n 1._o there_o be_v some_o place_n in_o which_o the_o endemical_a disease_n can_v be_v probable_o impute_v to_o any_o manifest_a cause_n as_o he_o may_v perceive_v that_o shall_v consider_v how_o often_o it_o happen_v that_o the_o cause_n which_o be_v assign_v of_o such_o 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the_o thing_n itself_o that_o those_o copious_a steam_n saline_n sulphureous_a arsenical_a antimonial_a etc._n etc._n that_o impregnate_n the_o air_n may_v very_o much_o conduce_v to_o make_v it_o hurtful_a to_o a_o humane_a body_n in_o the_o way_n requisite_a to_o produce_v this_o or_o that_o determinate_a disease_n as_o i_o not_o long_o since_o relate_v from_o the_o chemist_n that_o visit_v the_o hungarian_a mine_n that_o in_o some_o place_n he_o find_v the_o reek_n ascend_v from_o they_o into_o the_o air_n though_o in_o a_o elevate_a place_n and_o expose_v to_o the_o wind_n make_v he_o as_o it_o be_v asthmatical_a and_o give_v he_o a_o troublesome_a difficulty_n of_o respiration_n and_o here_o let_v i_o add_v a_o observation_n which_o perhaps_o will_v not_o be_v think_v fit_a to_o be_v slight_v by_o physician_n namely_o that_o some_o part_n of_o the_o substance_n of_o the_o air_n for_o i_o speak_v not_o of_o its_o heat_n coldness_n or_o other_o such_o quality_n do_v not_o only_o 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and_o exhalation_n and_o in_o a_o word_n with_o corpuscle_n of_o all_o sort_n except_o the_o large_a sort_n of_o springy_a one_o and_o many_o of_o they_o may_v be_v so_o small_a and_o so_o solid_a or_o so_o convenient_o shape_v as_o to_o get_v entrance_n at_o some_o of_o the_o numerous_a orifice_n of_o the_o minute_n or_o miliary_a glandule_n of_o the_o skin_n or_o at_o other_o pore_n of_o it_o thus_o though_o paper_n be_v not_o pervious_a to_o the_o uncompressed_a elastical_a part_n of_o the_o air_n yet_o it_o may_v be_v easy_o penetrate_v by_o other_o corpuscle_n of_o the_o atmosphere_n for_o i_o remember_v i_o have_v for_o curiosity_n sake_n prepare_v a_o dry_a body_n out_o of_o a_o substance_n belong_v to_o the_o animal_n kingdom_n which_o be_v leap_v up_o in_o paper_n will_v without_o wet_v or_o discolour_v or_o any_o way_n sensible_o alter_v it_o pass_v in_o a_o trice_n through_o the_o pore_n of_o it_o in_o such_o plenty_n as_o to_o have_v not_o only_o a_o visible_a but_o a_o manifest_a operation_n on_o body_n place_v at_o some_o distance_n from_o it_o and_o though_o a_o bladder_n almost_o full_a of_o air_n have_v its_o neck_n well_o tie_v be_v hold_v near_o the_o fire_n in_o various_a posture_n the_o elastical_a air_n though_o rarefy_v or_o attenuate_v by_o the_o heat_n will_v rather_o burst_v the_o bladder_n as_o i_o have_v more_o than_o once_o find_v than_o get_v out_o at_o the_o pore_n yet_o we_o have_v often_o make_v a_o certain_a substance_n belong_v to_o the_o mineral_n kingdom_n that_o if_o a_o bladder_n be_v wet_a or_o moist_a as_o the_o skin_n of_o live_a man_n be_v wont_a to_o be_v will_v ready_o pervade_v it_o and_o have_v a_o sensible_a operation_n even_o upon_o solid_a body_n place_v within_o it_o this_o experiment_n that_o i_o can_v repeat_v when_o i_o will_v be_v therefore_o the_o more_o considerable_a to_o our_o present_a purpose_n because_o in_o the_o bladder_n of_o a_o dead_a animal_n the_o porosity_n may_v be_v well_o suppose_v to_o be_v much_o less_o than_o it_o be_v in_o the_o animal_n when_o alive_a in_o which_o state_n the_o part_n of_o the_o humane_a body_n be_v much_o more_o perspirable_a than_o one_o will_v easy_o believe_v partly_o because_o of_o the_o heat_n that_o be_v continual_o diffuse_v from_o the_o heart_n and_o partly_o because_o of_o the_o copious_a steam_n that_o be_v in_o perpetual_a motion_n and_o keep_v the_o part_n warm_a moist_a and_o supple_a and_o it_o be_v not_o to_o be_v pretermit_v in_o our_o present_a instance_n that_o the_o bladder_n of_o urine_n consist_v not_o of_o a_o single_a membrane_n and_o be_v probable_o of_o a_o strong_a texture_n by_o reason_n of_o the_o subtle_a salt_n liquor_n it_o be_v institute_v to_o contain_v than_o many_o another_o membrane_n of_o the_o body_n or_o the_o epidermis_fw-fr and_o this_o be_v the_o first_o thing_n i_o will_v have_v note_v the_o next_o be_v that_o whereas_o in_o the_o instance_n new_o recite_v and_o some_o other_o that_o be_v by_o and_o by_o to_o be_v mention_v the_o effect_n be_v produce_v when_o the_o ambient_fw-la air_n impregnate_v with_o mineral_n corpuscle_n have_v but_o a_o very_a short_a time_n perhaps_o not_o many_o minute_n to_o work_v upon_o the_o body_n expose_v to_o it_o in_o those_o country_n that_o be_v very_a subject_n to_o endemical_a disease_n the_o inhabitant_n be_v wont_a to_o live_v all_o the_o year_n long_o and_o perhaps_o during_o their_o whole_a life_n expose_v to_o the_o action_n of_o the_o vitiate_a air_n and_o how_o much_o a_o far_o short_a time_n will_v serve_v to_o make_v the_o corpuscle_n that_o rove_v in_o the_o air_n penetrate_v into_o body_n of_o no_o very_a close_a contexture_n may_v be_v guess_v by_o the_o break_n even_o of_o the_o big_a string_n of_o lute_n and_o vial_n by_o the_o numerous_a though_o invisible_a vapour_n that_o get_v into_o they_o in_o rainy_a weather_n and_o much_o more_o by_o the_o effect_n of_o such_o vapour_n when_o insinuate_v themselves_o in_o swarm_n into_o the_o pore_n of_o a_o rope_n they_o shorten_v it_o so_o forcible_o as_o to_o enable_v it_o by_o shrink_v itself_o to_o lift_v up_o and_o keep_v suspend_v considerable_a weight_n as_o i_o have_v elsewhere_o show_v by_o trial_n purposely_o make_v these_o thing_n may_v render_v it_o probable_a that_o though_o in_o a_o small_a compass_n of_o time_n the_o noxious_a effluvia_fw-la that_o rove_v in_o the_o air_n may_v be_v too_o thin_o disperse_v in_o it_o to_o insinuate_v themselves_o in_o any_o considerable_a number_n at_o the_o pore_n of_o the_o skin_n yet_o by_o reason_n of_o the_o continual_a contact_n of_o the_o air_n especial_o as_o to_o the_o face_n hand_n and_o some_o other_o part_n which_o may_v last_o day_n and_o night_n for_o many_o month_n or_o perhaps_o year_n there_o may_v be_v opportunity_n for_o a_o considerable_a number_n of_o morbific_a
to_o deliver_v some_o few_o thing_n that_o seem_v more_o favourable_a to_o my_o conjecture_n than_o to_o his_o opinion_n and_o be_v suggest_v to_o i_o partly_o by_o my_o own_o thought_n and_o partly_o by_o the_o information_n that_o to_o examine_v those_o thought_n i_o procure_v by_o consult_v some_o uncommon_a author_n and_o ask_v question_n of_o great_a traveller_n and_o navigatour_n by_o this_o mean_n i_o come_v to_o learn_v that_o divers_a great_a country_n be_v usual_o free_a from_o the_o plague_n that_o according_a to_o the_o vulgar_a hypothesis_n aught_o to_o be_v as_o much_o subject_n to_o it_o if_o not_o more_o than_o england_n france_n italy_n and_o those_o other_o part_n of_o europe_n and_o asia_n where_o that_o fatal_a disease_n rage_v from_o time_n to_o time_n in_o the_o parch_a region_n of_o africa_n to_o which_o the_o excessive_a heat_n will_v make_v one_o expect_v that_o the_o plague_n shall_v make_v far_o more_o frequent_a visit_n than_o to_o our_o temperate_a 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hear_v the_o english_a take_v any_o notice_n of_o the_o plague_n since_o their_o settle_v there_o above_o threescore_o and_o ten_o year_n ago_o and_o as_o for_o the_o east_n indies_n sir_n philibert_n vernatti_n a_o virtuoso_fw-la of_o great_a fame_n and_o authority_n at_o batavia_n where_o he_o reside_v in_o his_o ingenious_a return_v to_o the_o query_n send_v he_o by_o the_o royal_a society_n of_o naturalist_n answer_v thus_o to_o the_o fifteen_o pestis_fw-la morbus_fw-la est_fw-la indiarum_fw-la incolis_fw-la incognitus_fw-la the_o plague_n be_v a_o disease_n unknown_a among_o the_o indian_n and_o of_o the_o country_n that_o lie_v yet_o more_o remote_a as_o the_o great_a empire_n of_o china_n and_o the_o kingdom_n of_o tunquin_n and_o of_o cochinchina_n that_o great_a traveller_n alexander_n de_fw-fr rhodes_n who_o spend_v 30_o year_n in_o those_o part_n affirm_v that_o the_o plague_n be_v not_o so_o much_o as_o speak_v of_o there_o and_o yet_o the_o same_o jesuit_n do_v upon_o ground_n probable_a enough_o estimate_v the_o number_n of_o the_o people_n of_o china_n alone_o to_o be_v two_o hundred_o and_o fifty_o million_o a_o number_n i_o take_v to_o exceed_v by_o far_o that_o of_o all_o the_o nation_n of_o europe_n now_o when_o i_o consider_v how_o vast_a tract_n of_o land_n be_v comprise_v in_o those_o country_n some_o of_o which_o the_o plague_n do_v not_o at_o all_o and_o other_o but_o exceed_v unfrequent_o invade_v this_o immunity_n seem_v to_o i_o very_o unfavourable_a to_o most_o if_o not_o all_o the_o opinion_n receive_v among_o physician_n as_o also_o that_o of_o diemerbroeck_n himself_o who_o derive_v the_o plague_n from_o a_o supernatural_a cause_n the_o wrath_n of_o god_n against_o the_o sin_n of_o man_n for_o in_o region_n of_o such_o extent_n and_o divers_a of_o they_o very_o populous_a which_o be_v seat_v under_o very_o differ_v climate_n and_o which_o be_v some_o of_o they_o inhabit_v by_o nation_n that_o make_v war_n with_o numerous_a army_n fight_v bloody_a battle_n leave_v heap_n of_o unburied_a body_n expose_v to_o the_o putrefying_a heat_n of_o the_o sun_n be_v sometime_o force_v as_o well_o as_o other_o to_o live_v upon_o very_o unwonted_a and_o unwholesome_a food_n that_o worship_n stock_n and_o stone_n and_o beast_n and_o some_o of_o they_o devil_n who_o they_o know_v to_o be_v such_o that_o be_v at_o least_o as_o guilty_a as_o european_n of_o assassinat_n poison_n rape_n oppression_n sodomy_n and_o other_o cry_a sin_n in_o these_o region_n i_o say_v it_o be_v not_o imaginable_a but_o that_o great_a intemperature_n of_o the_o air_n especial_o in_o point_n of_o heat_n stench_n of_o dead_a body_n kill_v in_o fight_n unwholsomness_n of_o aliment_n malevolent_a aspect_n of_o celestial_a body_n high_a provocation_n of_o the_o divine_a justice_n and_o in_o short_a all_o the_o cause_n to_o one_o or_o other_o of_o which_o the_o several_a party_n of_o physician_n be_v wont_a to_o refer_v the_o plague_n shall_v be_v want_v any_o more_o than_o in_o our_o europe_n and_o yet_o the_o plague_n which_o be_v presume_v to_o be_v the_o effect_n of_o one_o or_o other_o of_o those_o cause_n be_v not_o here_o observe_v to_o be_v produce_v i_o know_v that_o it_o may_v be_v say_v that_o the_o historical_a thing_n i_o have_v be_v recite_v do_v not_o only_o oppugn_v the_o several_a receive_v opinion_n of_o physician_n about_o the_o cause_n of_o the_o plague_n but_o disfavour_v my_o conjecture_n too_o but_o if_o this_o be_v say_v i_o desire_v it_o may_v also_o be_v consider_v that_o my_o judgement_n about_o the_o plague_n consist_v of_o two_o part_n one_o that_o it_o be_v exceed_o difficult_a to_o assign_v the_o true_a and_o adequate_a cause_n of_o the_o origine_fw-la of_o the_o pestilence_n and_o the_o other_o that_o whatever_o be_v the_o cause_n of_o its_o first_o eruption_n its_o propagation_n and_o divers_a of_o its_o symptom_n may_v be_v probable_o enough_o refer_v to_o the_o depravation_n of_o the_o air_n by_o subterraneal_a steam_n and_o their_o effect_n if_o this_o be_v due_o consider_v the_o historical_a observation_n will_v appear_v not_o to_o overthrow_v the_o first_o member_n of_o our_o hypothesis_n but_o rather_o to_o confirm_v it_o and_o it_o be_v upon_o this_o account_n that_o i_o have_v mention_v they_o in_o this_o place_n and_o as_o to_o the_o second_o member_n it_o may_v be_v say_v that_o since_o in_o the_o east_n indies_n and_o the_o other_o country_n i_o have_v name_v as_o privilege_v from_o this_o rage_a disease_n it_o be_v not_o observe_v to_o break_v out_o as_o it_o can_v be_v say_v that_o subterraneal_a effluvia_fw-la do_v in_o those_o country_n promote_v the_o propagation_n of_o it_o so_o it_o can_v be_v prove_v that_o they_o can_v not_o do_v it_o incase_o the_o plague_n be_v begin_v by_o other_o cause_n but_o in_o regard_n i_o think_v it_o not_o improbable_a that_o sometime_o the_o plague_n be_v not_o only_o foment_v but_o begin_v by_o noxious_a expiration_n of_o the_o 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the_o same_o motive_n philanthropy_n i_o be_o induce_v to_o add_v on_o this_o occasion_n that_o have_v have_v some_o opportunity_n to_o oblige_v a_o ancient_a and_o very_a experience_a physician_n to_o who_o care_n be_v commit_v a_o great_a pesthouse_n where_o the_o contagion_n be_v so_o strong_a that_o he_o lose_v three_o physician_n that_o be_v to_o be_v assistant_n to_o he_o and_o three_o surgeon_n of_o four_o that_o be_v to_o be_v subservient_fw-fr to_o he_o i_o disire_v to_o learn_v of_o he_o if_o he_o count_v it_o not_o too_o great_a a_o secret_a what_o antidote_n he_o use_v to_o preserve_v himself_o from_o so_o violent_a and_o fatal_a a_o infection_n this_o request_n he_o ready_o grant_v but_o withal_o tell_v i_o that_o his_o method_n will_v not_o seem_v to_o i_o worth_n mention_v if_o i_o be_v one_o that_o value_v medicine_n by_o their_o pompousness_n not_o their_o utility_n for_o beside_o ardent_a prayer_n to_o god_n and_o a_o very_a regular_a diet_n his_o constant_a antidote_n be_v only_o to_o take_v every_o morning_n fast_v a_o little_a sea-salt_n dissolve_v in_o a_o few_o spoonful_n of_o fair_a water_n which_o he_o make_v choice_n of_o both_o because_o it_o keep_v his_o body_n soluble_a without_o purge_v or_o weaken_v it_o and_o for_o other_o reason_n which_o i_o must_v not_o now_o stay_v to_o set_v down_o i_o know_v this_o medicine_n may_v appear_v a_o despicable_a one_o but_o yet_o in_o my_o opinion_n it_o ought_v not_o to_o be_v despise_v after_o such_o experience_n as_o i_o have_v relate_v have_v recommend_v it_o for_o i_o think_v it_o desirable_a that_o notice_n be_v take_v of_o all_o remedy_n that_o have_v be_v find_v by_o good_a trial_n not_o bare_a conjecture_n or_o uncertain_a report_n available_a against_o the_o plague_n for_o since_o pestilence_n as_o we_o have_v late_o note_v be_v exceed_o various_a in_o their_o kind_n it_o be_v very_o possible_a and_o not_o unlikely_a that_o their_o appropriate_v remedy_n may_v be_v so_o too_o and_o therefore_o i_o will_v not_o easy_o lay_v aside_o every_o medicine_n that_o this_o or_o that_o learned_a physician_n may_v speak_v slight_o of_o or_o even_o may_v declare_v that_o he_o have_v find_v it_o unsuccessfull_a against_o the_o plague_n since_o the_o same_o medicine_n may_v be_v available_a in_o a_o pestilence_n of_o another_o kind_n in_o which_o perhaps_o the_o remedy_n commend_v by_o the_o physician_n we_o speak_v of_o will_v be_v find_v inefficacious_a this_o consideration_n forbid_v i_o to_o pass_v by_o what_o happen_v to_o i_o in_o the_o great_a london_n plague_n abovementioned_a namely_o that_o a_o very_a learned_a physician_n have_v once_o recommend_v to_o i_o a_o herb_n little_o note_v in_o england_n as_o a_o most_o effectual_a and_o experience_a antidote_n against_o the_o plague_n i_o cause_v it_o to_o be_v cultivate_v in_o a_o garden_n as_o i_o still_o do_v every_o year_n and_o when_o the_o pestilence_n rage_v most_o have_v some_o of_o it_o by_o i_o make_v up_o with_o a_o little_a sugar_n in_o the_o form_n of_o a_o fine_a green_a conserve_v i_o send_v it_o to_o two_o infect_a person_n who_o by_o the_o divine_a benediction_n on_o it_o both_o of_o they_o recover_v but_o have_v make_v but_o those_o two_o trial_n i_o dare_v not_o ground_n much_o upon_o they_o only_o though_o i_o usual_o keep_v the_o plant_n grow_v in_o a_o garden_n partly_o because_o both_o the_o taste_n and_o colour_n one_o or_o other_o of_o which_o in_o most_o antidote_n be_v offensive_a be_v in_o this_o pleasant_a and_o partly_o because_o some_o little_a experience_n have_v invite_v i_o to_o believe_v the_o commendation_n that_o i_o have_v find_v give_v of_o it_o against_o the_o bite_n of_o venomous_a creature_n whereof_o i_o remember_v a_o notable_a instance_n be_v record_v by_o petrus_n spehrerius_n of_o a_o animalibus_fw-la roman_a who_o have_v with_o his_o staff_n pierce_v or_o crush_v a_o viper_n that_o he_o take_v to_o be_v dead_a have_v so_o strong_a a_o venom_n transmit_v along_o the_o staff_n that_o the_o ensue_a night_n he_o have_v a_o very_a great_a inflammation_n in_o both_o his_o lip_n to_o which_o superven_v a_o exceed_a ardent_a fever_n and_o strange_a torture_n from_o all_o which_o serianus_fw-la pacyonius_n a_o note_a physician_n that_o be_v call_v to_o he_o free_v he_o as_o it_o be_v by_o miracle_n by_o the_o juice_n of_o goats-rue_a or_o as_o other_o call_v it_o galega_n that_o grow_v copious_o in_o that_o place_n it_o may_v without_o disgust_n be_v take_v somewhat_o plentiful_o and_o so_o it_o ought_v to_o be_v in_o its_o entire_a substance_n as_o a_o salad_n or_o else_o one_o may_v give_v its_o conserve_v its_o syrup_n or_o which_o be_v better_o its_o juice_n new_o express_v 3._o it_o likewise_o agree_v with_o our_o hypothesis_n that_o sometime_o the_o plague_n cease_v or_o at_o least_o very_o notable_o abate_v of_o its_o infectiousness_n and_o malignity_n in_o far_o less_o time_n than_o according_a to_o the_o wont_a course_n of_o that_o ravenous_a disease_n physician_n do_v or_o rational_o can_v expect_v for_o sometime_o it_o may_v happen_v that_o though_o the_o temperature_n or_o intemperateness_n of_o the_o air_n continue_v the_o same_o the_o matter_n that_o afford_v the_o pestiferous_a exhalation_n may_v be_v either_o spend_v under_o ground_n or_o so_o alter_v by_o combination_n with_o other_o subterraneal_a body_n or_o by_o some_o of_o those_o many_o accident_n that_o may_v happen_v altogether_o unknown_a to_o we_o in_o those_o deep_a and_o dark_a recess_n and_o if_o once_o the_o fountain_n of_o these_o noxious_a effluvia_fw-la be_v stop_v so_o that_o those_o that_o be_v in_o the_o air_n cease_v to_o be_v recruit_v the_o wind_n and_o other_o cause_n may_v in_o a_o short_a time_n dissipate_v they_o or_o at_o least_o dilute_v they_o with_o innocent_a air_n so_o far_o as_o to_o keep_v the_o disease_n they_o produce_v from_o be_v any_o thing_n near_o so_o mischievous_a as_o before_o and_o here_o i_o consider_v that_o 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lessen_v or_o cease_v as_o do_v the_o tumultuous_a agitation_n that_o produce_v they_o and_o so_o likewise_o if_o you_o pour_fw-fr aqua_fw-la fortis_fw-la upon_o a_o convenient_a proportion_n of_o salt_n of_o tartar_n there_o will_v be_v at_o first_o a_o great_a ebullition_n produce_v and_o whilst_o that_o continue_v store_n of_o red_a and_o noisome_a fume_n will_v be_v elevate_v but_o will_v not_o long_o outlast_v the_o commotion_n of_o the_o mixture_n who_o active_a part_n will_v in_o no_o long_a time_n combine_v into_o a_o kind_n of_o nitrous_a salt_n wherein_o the_o noxious_a part_n of_o the_o menstruum_fw-la be_v as_o it_o be_v pinion_v and_o hinder_v from_o evaporate_n or_o ascend_v though_o real_o they_o retain_v much_o of_o their_o pristine_a nature_n as_o i_o elsewhere_o show_v it_o may_v also_o happen_v that_o soon_o after_o that_o commotion_n of_o subterraneal_a matter_n which_o send_v forth_o pestiferous_a exhalation_n a_o more_o intense_a degree_n of_o subterraneal_a 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