far_o as_o divers_a earthquake_n have_v do_v but_o that_o the_o fire_n pass_v through_o some_o little_a subterraneal_a cleft_n or_o channel_n or_o hide_a conveyance_n from_o one_o great_a cavity_n or_o i_o to_o another_o yet_o it_o be_v not_o improbable_a but_o that_o the_o vehement_o tremulous_a motion_n do_v oftentimes_o reach_v a_o very_a great_a way_n beyond_o the_o place_n where_o the_o explosion_n be_v make_v since_o though_o seneca_n will_v confine_v the_o extent_n of_o 25._o earthquake_n to_o two_o hundred_o mile_n yet_o observation_n make_v in_o this_o and_o the_o last_o century_n warrant_v we_o to_o allow_v they_o a_o far_o great_a spread_v the_o learned_a 26._o josephus_n acosta_n affirm_v that_o in_o the_o kingdom_n of_o peru_n in_o the_o year_n 1586_o a_o earthquake_n reach_v along_o the_o shore_n of_o the_o pacifick_n sea_n 160_o league_n and_o add_v that_o sometime_o it_o have_v in_o those_o part_n run_v on_o from_o south_n to_o north_n 300_o league_n and_o in_o the_o begin_n of_o this_o our_o age_n anno_fw-la dom._n 1601_o good_a writer_n relate_v a_o much_o large_a earthquake_n to_o have_v happen_v since_o it_o reach_v from_o asia_n to_o that_o sea_n that_o wash_v the_o french_a shore_n and_o beside_o some_o asiatic_a region_n shake_v hungary_n germany_n italy_n and_o france_n and_o consequent_o a_o great_a part_n of_o europe_n and_o if_o that_o part_n of_o the_o narrative_n be_v certain_a which_o relate_v that_o this_o last_v not_o much_o above_o a_o quarter_n of_o a_o hour_n it_o will_v be_v the_o more_o likely_a that_o this_o earthquake_n shake_v great_a tract_n of_o land_n beyond_o those_o place_n to_o which_o the_o fire_a matter_n pass_v from_o one_o cavity_n to_o another_o can_v reach_v in_o so_o short_a a_o time_n as_o you_o will_v the_o more_o easy_o guess_v if_o you_o try_v as_o i_o have_v do_v that_o in_o train_n of_o gunpowder_n itself_o the_o fire_n do_v not_o run_v on_o near_o so_o swift_o as_o one_o will_v imagine_v but_o though_o i_o have_v be_v in_o more_o earthquake_n than_o one_o yet_o since_o they_o be_v too_o sudden_a and_o too_o short_a to_o afford_v i_o any_o considerable_a observation_n i_o shall_v say_v no_o more_o of_o they_o but_o proceed_v to_o take_v notice_n that_o oftentimes_o the_o motion_n of_o a_o coach_n or_o cart_n that_o pass_v at_o a_o good_a distance_n from_o the_o place_n that_o i_o be_v in_o have_v make_v the_o building_n so_o sensible_o shake_v that_o i_o can_v not_o but_o wonder_n that_o so_o great_a a_o portion_n of_o so_o firm_a and_o sluggish_a a_o body_n as_o the_o earth_n can_v by_o a_o cause_n that_o seem_v very_o disproportionate_a to_o such_o a_o effect_n be_v make_v to_o tremble_v itself_o and_o manifest_o to_o shake_v firm_a building_n that_o be_v found_v on_o it_o and_o this_o observation_n make_v i_o the_o more_o inclinable_a to_o give_v credit_n to_o their_o relation_n who_o tell_v we_o that_o in_o a_o calm_a night_n the_o march_n of_o a_o troup_n of_o horse_n may_v be_v feel_v by_o attentive_a scout_n watch_v at_o a_o great_a distance_n off_o by_o the_o shake_n that_o the_o ground_n receive_v from_o the_o trample_n of_o the_o horse_n though_o i_o former_o suspect_v much_o and_o do_v yet_o a_o little_a that_o the_o impulse_n of_o the_o air_n convey_v along_o the_o resist_a surface_n of_o the_o ground_n may_v main_o contribute_v to_o the_o effect_n that_o be_v ascribe_v only_o to_o the_o motion_n of_o the_o soil_n before_o i_o advance_v to_o the_o second_o member_n of_o this_o chapter_n it_o may_v not_o be_v impertinent_a to_o note_v that_o in_o peculiar_o dispose_v body_n and_o especial_o in_o organical_a one_o a_o very_a languid_a motion_n may_v have_v a_o far_o great_a effect_n than_o it_o can_v produce_v by_o a_o bare_a propagation_n of_o itself_o for_o it_o may_v so_o determine_v the_o motion_n of_o the_o spirit_n or_o other_o active_a part_n of_o the_o body_n it_o work_v on_o as_o to_o make_v multitude_n of_o they_o act_n as_o if_o they_o conspire_v to_o perform_v the_o same_o motion_n as_o when_o a_o ticklish_a man_n by_o have_v the_o pulp_n of_o one_o finger_n pass_v gentle_o along_o the_o sole_a of_o his_o foot_n or_o the_o palm_n of_o his_o hand_n have_v divers_a muscle_n and_o other_o part_n of_o his_o body_n and_o face_n put_v into_o preternatural_a or_o unusual_a motion_n and_o most_o man_n by_o be_v light_o tickle_v with_o the_o end_n of_o a_o feather_n or_o straw_n within_o their_o nostril_n have_v their_o head_n and_o many_o part_n of_o their_o body_n put_v into_o that_o violent_a commotion_n wherein_o sneeze_v consist_v and_o i_o remember_v that_o have_v for_o some_o time_n be_v by_o a_o distemper_n from_o which_o god_n be_v gracious_o please_v a_o while_n after_o to_o free_v i_o quite_o deprive_v of_o the_o use_n of_o my_o hand_n it_o more_o than_o once_o happen_v to_o i_o that_o sit_v alone_o in_o a_o coach_n if_o the_o wind_n chance_v to_o blow_v a_o single_a hair_n upon_o my_o face_n in_o the_o summertime_n the_o tickle_a or_o itch_a that_o it_o produce_v be_v so_o uneasy_a to_o i_o till_o by_o call_v out_o to_o a_o footman_n i_o can_v get_v it_o remove_v that_o though_o i_o can_v well_o bear_v it_o as_o long_o as_o i_o be_v wont_a to_o do_v when_o have_v the_o use_n of_o my_o hand_n i_o can_v relieve_v myself_o at_o pleasure_n yet_o if_o i_o be_v force_v to_o endure_v the_o itch_a too_o long_o before_o any_o come_v to_o succour_v i_o the_o uneasiness_n be_v so_o great_a as_o to_o make_v i_o apprehend_v fall_v present_o either_o into_o convulsion_n or_o a_o swoon_n but_o it_o be_v time_n to_o proceed_v to_o the_o second_o member_n of_o this_o chapter_n 2._o other_o there_o be_v that_o can_v believe_v that_o local_a motion_n especial_o if_o it_o be_v languid_a can_v be_v propagate_v through_o differ_v medium_n each_o of_o which_o save_o that_o wherein_o the_o motion_n be_v begin_v must_v they_o think_v either_o repel_v or_o check_v and_o dead_a it_o to_o these_o i_o shall_v recommend_v the_o consideration_n of_o a_o experiment_n i_o remember_v i_o make_v before_o some_o learned_a man_n in_o our_o pneumatick_a engine_n for_o have_v cause_v a_o large_a and_o thick_a glass_n receiver_n to_o be_v so_o blow_v that_o it_o have_v a_o glass_n button_n in_o the_o inside_n of_o that_o part_n which_o upon_o the_o engine_n be_v to_o be_v place_v upward_o i_o cause_v a_o watch_n to_o be_v suspend_v by_o a_o little_a silverchain_n fasten_v to_o that_o button_n by_o as_o slender_a and_o soft_a a_o body_n as_o i_o think_v will_v be_v strong_a enough_o to_o support_v my_o watch_n and_o then_o the_o glass_n be_v cement_v on_o close_a to_o the_o receiver_n to_o prevent_v a_o commerce_n between_o the_o cavity_n of_o it_o and_o the_o air_n the_o watch_n that_o hang_v free_o near_o the_o middle_n of_o the_o cavity_n of_o the_o receiver_n make_v itself_o to_o be_v hear_v by_o those_o attentive_a listener_n that_o will_v hold_v their_o ear_n direct_o over_o the_o suspend_v watch_n who_o motion_n be_v thereby_o argue_v to_o have_v be_v propagate_v either_o through_o the_o include_v air_n or_o along_o the_o string_n to_o the_o concave_a part_n of_o the_o glass_n and_o through_o the_o whole_a thickness_n of_o the_o glass_n to_o the_o convex_a part_n and_o thence_o through_o the_o interpose_a air_n to_o the_o ear._n and_o this_o mention_n of_o watch_n mind_v i_o of_o what_o i_o often_o observe_v in_o a_o small_a strike_a watch_n that_o i_o have_v wear_v in_o my_o pocket_n for_o when_o it_o strike_v the_o hour_n and_o in_o some_o posture_n when_o the_o balance_n do_v but_o move_v i_o can_v plain_o feel_v the_o brisk_a motion_n of_o the_o bell_n and_o sensible_o the_o languid_a one_o of_o the_o balance_n through_o the_o several_a lining_n of_o my_o breeches_n and_o some_o other_o interpose_v soft_a and_o yield_a body_n and_o this_o though_o the_o watch_n as_o i_o say_v be_v small_a and_o the_o balance_n include_v in_o a_o double_a case_n and_o though_o the_o outwardmost_a be_v of_o what_o they_o call_v chagrine_n and_o the_o innermost_a of_o gold_n which_o i_o therefore_o mention_n because_o that_o close_a of_o metal_n be_v observe_v more_o to_o dead_a sound_n and_o motion_n than_o hard_a metal_n as_o silver_n copper_n and_o iron_n that_o motion_n may_v be_v propagate_v through_o differ_v medium_n may_v seem_v the_o more_o probable_a by_o the_o shake_n that_o be_v often_o feel_v by_o man_n lie_v on_o bed_n that_o stand_v in_o room_n close_o shut_v when_o loud_o clap_v of_o thunder_n be_v produce_v perhaps_o at_o a_o great_a distance_n off_o in_o the_o cloud_n and_o whether_o it_o will_v be_v fit_a to_o add_v to_o this_o instance_n that_o which_o you_o have_v late_o meet_v with_o in_o the_o iii_o chapter_n
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 those_o that_o act_n mere_o or_o perhaps_o principal_o as_o these_o be_v either_o moist_a or_o dry_a proposition_n i._n to_o deliver_v my_o thought_n about_o this_o matter_n somewhat_o more_o distinct_o i_o shall_v lay_v they_o down_o in_o the_o four_o ensue_a observation_n or_o proposition_n whereof_o the_o first_o shall_v be_v this_o it_o seem_v probable_a that_o in_o divers_a place_n the_o salubrity_n or_o insalubrity_n of_o the_o air_n consider_v in_o the_o general_n may_v be_v in_o good_a part_n due_a to_o subterraneal_a expiration_n especial_o to_o those_o that_o i_o late_o call_v ordinary_a emission_n for_o in_o some_o place_n the_o air_n be_v observe_v to_o be_v much_o more_o healthy_a than_o the_o manifest_a quality_n of_o it_o will_v make_v one_o expect_v and_o in_o divers_a of_o these_o case_n i_o see_v no_o cause_n to_o which_o such_o a_o happy_a constitution_n may_v more_o probable_o be_v ascribe_v than_o to_o friendly_a effluvia_fw-la
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 epidemical_a disease_n and_o impute_v those_o it_o speak_v of_o to_o subterraneal_a effluvia_fw-la not_o as_o total_a but_o as_o partial_a and_o sometime_o as_o principal_a agent_n in_o the_o production_n of_o they_o in_o favour_n of_o the_o propose_a conjecture_n thus_o explain_v i_o shall_v offer_v two_o thing_n to_o consideration_n i._o and_o first_o it_o seem_v not_o very_o improbable_a that_o divers_a of_o those_o morbific_a excess_n especial_o if_o they_o be_v sudden_a that_o be_v observe_v in_o the_o air_n may_v proceed_v from_o the_o unusual_o copious_a ascent_n of_o hurtful_a exhalation_n that_o mingle_v with_o the_o air_n and_o diffuse_v themselves_o through_o it_o we_o be_v great_a stranger_n than_o we_o common_o take_v notice_n of_o to_o the_o subterraneat_a part_n of_o the_o globe_n we_o inhabit_v and_o if_o i_o have_v leisure_n and_o think_v it_o necessary_a i_o can_v show_v that_o there_o be_v a_o great_a many_o odd_a and_o surprise_v thing_n to_o be_v meet_v with_o in_o the_o structure_n and_o disposition_n even_o of_o those_o part_n of_o the_o earth_n that_o lie_v but_o a_o little_a way_n beneath_o the_o surface_n of_o it_o and_o partly_o have_v be_v and_o partly_o may_v easy_o enough_o be_v actual_o penetrate_v by_o the_o industrious_a labour_n of_o man_n and_o as_o for_o the_o deep_a subterraneal_a region_n we_o be_v so_o much_o more_o unacquainted_a with_o they_o that_o we_o be_v scarce_o fit_a so_o much_o as_o to_o conjecture_v how_o far_o they_o extend_v or_o what_o kind_n of_o material_n they_o contain_v and_o what_o be_v the_o gross_a and_o if_o i_o may_v so_o speak_v the_o mechanical_a fabric_n of_o the_o great_a mass_n whether_o solid_a or_o fluid_a they_o consist_v of_o and_o lest_o of_o all_o can_v we_o determine_v what_o motion_n whether_o periodical_a or_o other_o these_o mass_n or_o other_o portion_n of_o deep_o lodge_v matter_n may_v have_v on_o such_o ground_n as_o these_o i_o conceive_v it_z possible_a that_o among_o the_o many_o 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 year_n though_o usual_o here_o in_o england_n divers_a morning_n of_o that_o month_n be_v cold_a and_o some_o of_o they_o frosty_a and_o now_o and_o then_o i_o have_v observe_v in_o the_o same_o month_n and_o day_n at_o no_o great_a distance_n from_o one_o another_o that_o the_o wether_n have_v be_v sultry_a hot_a and_o have_v also_o produce_v a_o great_a snow_n we_o have_v see_v summer_n like_o that_o which_o be_v remember_v for_o the_o siege_n of_o colchester_n that_o for_o almost_o the_o whole_a season_n where_o more_o dark_a and_o rainy_a than_o several_a winter_n have_v be_v observe_v to_o be_v to_o which_o purpose_n i_o remember_v that_o when_o i_o be_v about_o to_o write_v the_o history_n of_o cold_a i_o be_v fain_o to_o watch_v almost_o a_o whole_a winter_n to_o find_v two_o or_o three_o frosty_a day_n to_o make_v a_o experiment_n or_o two_o i_o have_v need_n of_o that_o require_v not_o a_o cold_a that_o be_v either_o last_a or_o very_a intense_a but_o instance_n of_o this_o 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
breathe_v in_o with_o the_o air_n in_o respiration_n or_o carry_v up_o and_o down_o by_o the_o blood_n or_o other_o liquor_n of_o the_o body_n may_v pass_v by_o other_o part_n of_o it_o without_o do_v they_o any_o sensible_a harm_n and_o attacking_z this_o or_o that_o determinate_a part_n produce_v there_o some_o disease_n such_o as_o the_o fabric_n and_o situation_n of_o that_o part_n peculiar_o dispose_v it_o to_o be_v affect_v with_o and_o i_o shall_v add_v on_o this_o occasion_n that_o in_o our_o hypothesis_n we_o may_v render_v a_o probable_a reason_n why_o in_o some_o epidemical_a disease_n some_o person_n may_v escape_v much_o better_a than_o other_o that_o seem_v likely_a to_o be_v at_o best_a as_o obnoxious_a to_o they_o without_o a_o recourse_n to_o the_o peculiar_a constitution_n of_o the_o body_n of_o differ_v person_n for_o it_o may_v be_v conjecture_v that_o the_o noxious_a corpuscle_n that_o infest_v the_o air_n may_v especial_o in_o windy_a weather_n be_v very_o unequal_o disperse_v through_o the_o air_n and_o many_o fly_n in_o far_o great_a or_o lesser_a number_n within_o equal_a space_n of_o air_n and_o consequent_o the_o person_n that_o have_v the_o ill_a luck_n to_o be_v in_o the_o way_n of_o the_o more_o numerous_a swarm_n of_o morbific_a corpuscle_n may_v be_v much_o more_o prejudice_v by_o they_o than_o other_o though_o of_o weak_a constitution_n who_o happen_v to_o be_v attaque_v but_o by_o few_o of_o they_o on_o which_o occasion_n i_o remember_v that_o a_o great_a many_o tree_n in_o some_o land_n that_o belong_v to_o i_o have_v be_v sudden_o much_o endamage_v by_o a_o wind_n that_o be_v not_o able_a to_o do_v it_o by_o its_o bare_a strength_n i_o have_v the_o curiosity_n to_o view_v somewhat_o heedful_o a_o tree_n that_o stand_v in_o the_o garden_n and_o perceive_v that_o all_o the_o considerable_a mischief_n be_v do_v to_o that_o side_n of_o the_o tree_n which_o respect_v the_o corner_n whence_o the_o hurtful_a wind_n blow_v the_o leave_n of_o the_o other_o side_n continue_v fresh_a and_o verdant_a as_o be_v by_o the_o other_o part_n of_o the_o same_o tree_n fence_v from_o the_o wind_n and_o it_o be_v far_o observe_v that_o even_o the_o expose_v side_n of_o the_o tree_n be_v not_o everywhere_o endamage_v for_o there_o be_v divers_a part_n where_o the_o leave_v continue_v sound_a and_o green_a though_o neighbour_a leave_n be_v some_o more_o some_o less_o for_o all_o that_o be_v prejudice_v be_v not_o total_o blast_v the_o sound_a leave_n and_o the_o discolour_a being_n so_o odd_o mingle_v that_o i_o conjecture_v the_o cause_n of_o the_o mischief_n to_o have_v be_v this_o that_o some_o arsenical_a or_o other_o corrosive_a or_o poisonous_a exhalation_n be_v sudden_o emit_v from_o the_o subterraneal_a part_n into_o the_o air_n be_v by_o the_o wind_n they_o chance_v to_o meet_v with_o there_o hurry_v along_o with_o it_o and_o blow_v against_o the_o body_n that_o stand_v in_o its_o way_n move_v in_o the_o air_n like_o hailshot_a discharge_v out_o of_o a_o gun_n here_o in_o a_o close_o and_o there_o in_o a_o more_o scatter_a order_n so_o that_o as_o more_o or_o few_o of_o they_o happen_v to_o fall_v upon_o the_o same_o branch_n or_o leaf_n they_o leave_v more_o or_o less_o mark_n of_o their_o passage_n by_o destroy_v the_o texture_n and_o colour_n in_o the_o leave_n or_o part_n of_o they_o they_o chance_v to_o beat_v upon_o and_o this_o may_v possible_o be_v the_o cause_n of_o some_o of_o those_o sudden_a and_o sometime_o fatal_a effect_n that_o i_o have_v know_v in_o some_o place_n the_o people_n talk_v much_o of_o complain_v that_o such_o a_o one_o have_v his_o eye_n or_o his_o face_n or_o only_o one_o side_n of_o it_o blast_v by_o a_o malignant_a wind_n of_o which_o i_o think_v i_o see_v a_o example_n in_o a_o domestic_a of_o my_o own_o whilst_o in_o such_o a_o wind_n he_o be_v ride_v after_o i_o who_o thanks_o be_v to_o god_n have_v no_o such_o mischief_n do_v i_o but_o the_o vulgar_a have_v entertain_v such_o strange_a conceit_n and_o story_n about_o these_o blast_n on_o which_o account_n some_o of_o they_o say_v that_o man_n be_v planet-struck_a that_o the_o fabulous_a thing_n mingle_v with_o those_o that_o be_v possible_a have_v make_v intelligent_a person_n reject_v they_o all_o one_o thing_n more_o i_o shall_v take_v notice_n of_o in_o favour_n of_o our_o hypothesis_n which_o be_v that_o it_o well_o agree_v with_o what_o have_v be_v observe_v not_o without_o some_o wonder_n of_o the_o very_a short_a duration_n of_o some_o epidemical_a disease_n in_o certain_a time_n and_o place_n for_o this_o may_v proceed_v from_o hence_o either_o that_o all_o the_o morbific_a expiration_n ascend_v into_o the_o air_n almost_o at_o once_o or_o at_o least_o within_o a_o short_a time_n and_o so_o be_v easy_o spend_v that_o be_v by_o diffusion_n or_o dispersion_n so_o weaken_v as_o to_o be_v disable_v from_o do_v much_o mischief_n or_o else_o the_o subterraneal_a commotion_n that_o produce_v they_o may_v pass_v on_o from_o one_o place_n to_o another_o and_o so_o cease_v to_o afford_v the_o air_n incumbent_a on_o the_o first_o place_n the_o supply_v necessary_a to_o keep_v it_o impregnate_v with_o noxious_a exhalation_n and_o it_o agree_v well_o with_o this_o conjecture_n that_o sometime_o we_o may_v observe_v certain_a epidemical_a disease_n to_o have_v as_o it_o be_v a_o progressive_a motion_n and_o leave_v one_o town_n free_a pass_n on_o to_o another_o of_o which_o some_o observation_n that_o i_o have_v make_v incline_v i_o to_o think_v that_o if_o physician_n will_v heedful_o mind_v it_o they_o may_v take_v notice_n of_o several_a instance_n one_o thing_n more_o may_v be_v add_v as_o consonant_a to_o our_o hypothesis_n namely_o that_o sometime_o a_o epidemical_a disease_n cease_v in_o this_o or_o that_o place_n almost_o as_o sudden_a as_o it_o invade_v or_o at_o least_o in_o a_o much_o short_a time_n than_o physician_n expect_v for_o according_a to_o our_o hypothesis_n it_o may_v well_o happen_v that_o after_o one_o sort_n of_o exhalation_n who_o peculiar_a quality_n make_v they_o morbific_a have_v deprave_v the_o air_n incumbent_a on_o a_o particular_a place_n there_o may_v by_o a_o new_a or_o far_a commotion_n of_o subterraneal_a body_n be_v send_v up_o into_o the_o air_n store_n of_o expiration_n of_o another_o kind_n which_o meet_v with_o those_o that_o former_o impregnate_v it_o may_v either_o precipitate_v they_o and_o so_o free_a the_o air_n from_o they_o or_o by_o other_o operation_n on_o they_o and_o sometime_o even_o by_o coalition_n with_o they_o so_o alter_v their_o nature_n as_o to_o disable_v they_o from_o do_v any_o far_a mischief_n this_o i_o shall_v illustrate_v if_o not_o confirm_v by_o that_o very_a remarkable_a phaenomenon_n that_o be_v yearly_o observe_v at_o grand_a cairo_n in_o egypt_n for_o though_o i_o know_v not_o whether_o or_o no_o the_o corpuscle_n that_o produce_v it_o arise_v from_o under_o ground_n the_o affirmative_a part_n of_o the_o question_n be_v not_o improbable_a it_o appear_v that_o by_o the_o intermixture_n of_o adventitious_a corpuscle_n with_o the_o former_o pestilential_a air_n it_o be_v so_o alter_v and_o correct_v that_o within_o one_o day_n or_o two_o if_o not_o within_o a_o lesser_a compass_n of_o time_n there_o be_v a_o stop_v put_v to_o the_o progress_n of_o the_o plague_n that_o in_o that_o favourable_a time_n of_o year_n namely_o about_o the_o middle_n of_o summer_n scarce_o ever_o miss_v of_o rage_v in_o that_o populous_a city_n and_o which_o be_v more_o admirable_a these_o sanative_a corpuscle_n if_o i_o may_v so_o call_v they_o operate_v so_o powerful_o that_o of_o those_o that_o be_v already_o seize_v by_o that_o fatall_a of_o disease_n the_o plague_n few_o or_o none_o die_v of_o it_o after_o once_o these_o antidotal_a particle_n have_v sufficient_o impregnate_v the_o air._n i_o confess_v so_o great_a and_o sudden_a a_o change_n be_v very_o wonderful_a and_o i_o shall_v scarce_o think_v it_o credible_a if_o i_o have_v not_o have_v the_o mean_n and_o curiosity_n to_o inquire_v about_o it_o of_o divers_a person_n some_o of_o they_o very_o intelligent_a that_o either_o curious_o visit_v or_o also_o make_v some_o considerable_a stay_n in_o that_o great_a city_n and_o find_v they_o agree_v in_o the_o main_a about_o the_o truth_n of_o the_o matter_n of_o fact_n which_o be_v much_o confirm_v to_o i_o by_o so_o eminent_a a_o testimony_n as_o that_o of_o the_o learned_a prosper_n alpinus_n who_o for_o several_a year_n practise_v physic_n in_o grand_a cairo_n and_o as_o a_o eye-witness_n deliver_v what_o he_o relate_v more_o authentical_o as_o well_o as_o more_o particular_o than_o any_o i_o have_v meet_v with_o and_o though_o he_o endeavour_v to_o give_v several_a reason_n of_o this_o strange_a and_o sudden_a cessation_n of_o the_o
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 european_a country_n leo_n africanus_n inform_v we_o that_o some_o part_n be_v so_o seldom_o afflict_v with_o that_o dreadful_a disease_n that_o it_o usual_o spare_v the_o inhabitant_n 29_o or_o 30_o year_n together_o and_o he_o express_o record_v that_o in_o numidia_n itself_o if_o i_o much_o misremember_v not_o the_o country_n be_v name_n notwithstanding_o the_o rage_a heat_n of_o the_o climate_n the_o plague_n be_v wont_a to_o be_v produce_v but_o once_o in_o a_o hundred_o year_n our_o 13._o purchas_n inform_v we_o that_o in_o the_o land_n of_o negro_n it_o be_v not_o know_v at_o all_o and_o to_o omit_v what_o some_o traveller_n and_o navigatour_n relate_v of_o japan_n as_o if_o it_o be_v seldom_o or_o never_o invade_v by_o the_o pestilence_n i_o do_v not_o remember_v that_o in_o new_a england_n which_o contain_v a_o great_a extent_n of_o land_n though_o i_o have_v have_v both_o curiosity_n and_o opportunity_n to_o inquire_v after_o the_o disease_n of_o that_o country_n i_o ever_o 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 terrestrial_a globe_n i_o shall_v add_v that_o this_o supposition_n though_o i_o confess_v it_o be_v somewhat_o disfavour_v by_o some_o of_o the_o late_o mention_v observation_n yet_o be_v not_o absolute_o inconsistent_a with_o they_o for_o first_o it_o may_v be_v say_v that_o some_o of_o the_o country_n i_o speak_v of_o may_v be_v destitute_a of_o those_o noxious_a mineral_n to_o which_o we_o impute_v some_o plague_n it_o hold_v true_a in_o mineral_n as_o well_o as_o in_o plant_n non_fw-la omnis_fw-la fert_fw-la omne_fw-la tellus_fw-la and_o to_o omit_v what_o i_o have_v not_o without_o some_o wonder_n observe_v of_o the_o limit_n of_o differ_v sort_n of_o mine_n and_o mineral_n vein_n in_o very_a border_a part_n of_o the_o same_o tract_n of_o land_n i_o can_v but_o here_o take_v notice_n that_o though_o sulphur_n be_v in_o many_o country_n usual_o find_v and_o that_o in_o plenty_n where_o there_o be_v other_o metalline_a vein_n insomuch_o that_o chemist_n make_v it_o one_o of_o the_o three_o principle_n of_o all_o metal_n yet_o in_o the_o mine_n of_o england_n more_o strict_o so_o call_v i_o do_v not_o remember_v i_o ever_o meet_v with_o so_o much_o as_o a_o ounce_n of_o native_a sulphur_n and_o i_o can_v not_o find_v by_o divers_a mineralist_n of_o who_o i_o purposely_o ask_v the_o question_n that_o they_o have_v meet_v with_o any_o among_o the_o various_a mine_n they_o have_v frequent_v it_o may_v also_o happen_v that_o there_o may_v be_v hurtful_a mineral_n in_o a_o country_n and_o yet_o not_o capable_a of_o often_o produce_v or_o promote_a pestilence_n there_o even_o upon_o moderate_a earthquake_n for_o it_o be_v possible_a that_o these_o orpimental_a or_o other_o noxious_a mineral_n may_v have_v their_o bed_n or_o vein_n lie_v so_o deep_a in_o the_o earth_n that_o they_o be_v not_o ordinary_o able_a to_o send_v up_o effluvia_fw-la strong_a and_o copious_a enough_o to_o make_v