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that_o
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and_o no_o gills_o at_o all_o as_o other_o fish_n have_v whence_o the_o common_a people_n through_o ignorance_n of_o these_o cavity_n and_o their_o proper_a use_n in_o nature_n have_v affirm_v they_o to_o be_v eye_n a_o error_n so_o gross_a and_o palpable_a that_o it_o need_v not_o the_o microscope_n to_o refute_v it_o for_o these_o hole_n or_o sluice_n do_v indeed_o supply_v the_o defect_n of_o gills_o and_o be_v assist_v by_o the_o conduit_n in_o the_o head_n for_o like_o cetaceous_a animal_n the_o lamprey_n have_v a_o fistula_n spout_v or_o pipe_n at_o the_o back_n part_n of_o the_o head_n whereat_o they_o spurt_v out_o water_n so_o that_o both_o these_o cavity_n and_o the_o head-pipe_n together_o do_v very_o neat_o supply_v the_o defect_n of_o gills_o and_o execute_v their_o office_n of_o receive_v and_o eject_v water_n again_o these_o sluice_n and_o the_o fistula_n shoot_v themselves_o slopewise_o and_o not_o straight_o forward_o into_o the_o cavity_n of_o her_o neck_n the_o 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be_v far_o more_o flaggy_a than_o the_o heart_n they_o seem_v to_o represent_v the_o right_n and_o left_a ventricle_n of_o the_o heart_n yet_o be_v the_o heart_n not_o only_o more_o solid_a but_o seat_v in_o the_o right_a side_n and_o the_o auricle_n in_o the_o left_a if_o the_o lamprey_n be_v lay_v upon_o her_o back_n and_o you_o gentle_o lift_v up_o with_o a_o probe_n the_o heart_n and_o auricle_n you_o shall_v see_v a_o fine_a thin_a membrane_n arise_v which_o separate_v the_o heart_n from_o the_o auricle_n as_o the_o falx_fw-la cerebri_fw-la do_v separate_v the_o left_a side_n of_o the_o brain_n from_o the_o right_n from_o this_o auricle_n proceed_v a_o little_a short_a channel_n which_o perforate_v this_o separate_a membrane_n and_o bring_v the_o blood_n from_o the_o auricle_n into_o the_o heart_n we_o thrust_v a_o probe_n just_a under_o this_o channel_n betwixt_o the_o heart_n and_o the_o auricle_n to_o see_v the_o blood_n pass_v from_o the_o auricle_n into_o the_o heart_n for_o at_o every_o pulse_n of_o the_o auricle_n you_o may_v see_v the_o blood_n pass_v through_o this_o channel_n into_o the_o heart_n for_o always_o as_o the_o blood_n pass_v through_o it_o be_v blue_a and_o when_o empty_a pale_a and_o transparent_a that_o i_o can_v easy_o see_v the_o probe_n through_o it_o while_o i_o have_v the_o probe_n in_o this_o position_n with_o another_o instrument_n and_o it_o together_o i_o quite_o stop_v the_o channel_n on_o purpose_n to_o hinder_v the_o blood_n from_o come_v into_o the_o heart_n which_o thereupon_o grow_v very_o pale_a and_o in_o a_o short_a time_n cease_v its_o motion_n the_o auricle_n in_o the_o interim_n swell_v and_o be_v very_o red_a i_o no_o soon_o open_v the_o channel_n to_o let_v the_o blood_n have_v a_o free_a passage_n as_o former_o but_o the_o heart_n begin_v afresh_o to_o beat_v again_o we_o prick_v the_o heart_n while_o it_o
be_v in_o its_o motion_n with_o a_o large_a pin_n into_o the_o cavity_n thereof_o and_o at_o every_o systole_n or_o contraction_n we_o plain_o see_v a_o drop_n of_o blood_n squeeze_v and_o eject_v out_o of_o that_o hole_n in_o this_o animal_n you_o may_v easy_o distinguish_v between_o the_o motion_n of_o the_o heart_n and_o auricle_n for_o there_o intercede_v the_o time_n of_o a_o pulse_n betwixt_o the_o motion_n of_o the_o auricle_n and_o the_o heart_n and_o the_o heart_n in_o every_o diastole_n be_v of_o a_o fair_a purple_a and_o ruddy_a colour_n and_o in_o every_o systole_n pale_a and_o wan_a as_o be_v observable_a in_o frog_n and_o other_o fish_n also_o where_o you_o may_v see_v the_o heart_n to_o shift_v colour_n by_o turn_n as_o it_o receive_v or_o eject_v the_o blood_n in_o the_o performance_n of_o the_o circulation_n now_o the_o reason_n of_o this_o cartilaginous_a capsula_fw-la of_o the_o heart_n in_o this_o creature_n may_v be_v its_o defect_n of_o bone_n and_o those_o costal_a rib_n which_o serve_v other_o to_o secure_v the_o heart_n from_o all_o external_a violence_n for_o she_o want_v these_o have_v not_o nature_n wise_o secure_v and_o capsulate_v the_o heart_n in_o this_o gristle_n it_o have_v be_v subject_a to_o all_o external_a injury_n which_o may_v have_v hinder_v the_o motion_n and_o endanger_v the_o life_n of_o the_o animal_n this_o horny_a capsula_fw-la also_o serve_v instead_o of_o a_o diaphragm_n to_o part_v the_o low_a venture_n from_o the_o thorax_n the_o lamprey_n likewise_o have_v no_o bone_n for_o the_o spin_v or_o backbone_n it_o have_v a_o cartilaginous_a flexible_a tube_n or_o channel_n without_o any_o vertebra_n or_o spondyl_n in_o it_o hollow_a or_o tubulous_a from_o one_o end_n to_o the_o other_o in_o which_o lie_v the_o spinal_a marrow_n which_o be_v of_o a_o serous_a thin_a and_o milky_a substance_n in_o some_o lamprey_n i_o have_v find_v the_o liver_n as_o doctor_n brown_n write_v of_o a_o pure_a grass-green_a colour_n which_o remain_v and_o keep_v that_o tincture_n whilst_o the_o animal_n live_v but_o when_o i_o have_v cut_v it_o out_o of_o the_o body_n and_o lay_v it_o by_o it_o present_o turn_v into_o a_o faint_a olive-colour_n beside_o i_o have_v in_o the_o begin_n of_o april_n cut_v up_o many_o lamprey_n who_o liver_n be_v of_o no_o such_o colour_n at_o all_o but_o a_o dull_a yellow_a like_o that_o of_o eel_n and_o other_o fish_n so_o that_o in_o this_o animal_n and_o snake_n also_o you_o may_v distinct_o see_v the_o blood_n be_v circulation_n observat._n xxxiii_o corn_n of_o sand_n sugar_n and_o salt_n it_o be_v worth_a a_o hourglass_n of_o time_n to_o behold_v the_o crystal_n sands_n that_o measure_v it_o for_o they_o all_o seem_v like_a fragment_n of_o crystal_n or_o alum_n perfect_o tralucent_a of_o irregular_a polyhedrical_a figure_n not_o any_o one_o globular_a every_o corn_n about_o the_o bigness_n of_o a_o nuttmeg_n or_o a_o walnutt_n which_o from_o their_o unequal_a superficies_n refract_v and_o reflect_v the_o sun_n ray_n seem_v here_o and_o there_o of_o rainbow_n colour_n be_v lay_v of_o a_o row_n or_o train_n they_o seem_v like_o a_o cawsy_n of_o crystal_a stone_n or_o pure_a alum_n lump_n so_o that_o now_o we_o need_v not_o so_o much_o wonder_n with_o the_o vulgar_a philosopher_n how_o so_o clear_a and_o glorious_a a_o body_n as_o glass_n shall_v be_v make_v of_o so_o dirty_a opace_fw-la and_o contemptible_a material_n as_o ash_n and_o sand_n since_o now_o we_o be_v teach_v by_o this_o observation_n that_o sand_n and_o salt_n which_o be_v in_o the_o ash_n the_o two_o prime_a material_n thereof_o be_v of_o themselves_o so_o clear_a and_o transparent_a before_o they_o unite_v into_o that_o diaphanous_a composition_n observat._n xxxiv_o a_o small_a atom_n of_o quicksilver_n a_o atom_n of_o quicksilver_n no_o big_a than_o the_o small_a pins-head_n seem_v like_o a_o globular_a looking-glass_n where_o as_o in_o a_o mirror_n you_o may_v see_v all_o the_o circumambient_a body_n the_o very_a stancheon_n and_o pane_n in_o the_o glass-window_n do_v most_o clear_o and_o distinct_o appear_v in_o it_o and_o whereas_o in_o most_o other_o metal_n you_o may_v perceive_v hole_n pore_n and_o cavity_n yet_o in_o ☿_o none_o at_o all_o be_v discoverable_a the_o small_a atom_n whereof_o and_o such_o a_o one_o as_o be_v to_o the_o bare_a eye_n tantùm_fw-la non_fw-la invisibile_fw-la be_v present_v as_o big_a as_o a_o rounseval-pea_a and_o project_v a_o shade_n nay_o two_o other_o atom_n of_o ☿_o which_o be_v casual_o lay_v on_o the_o same_o plate_n and_o be_v undiscernible_a to_o the_o bare_a eye_n be_v fair_o present_v by_o our_o microscope_n observat._n xxxv_o mercurial_a powder_n in_o those_o chemical_a preparation_n of_o mercury_n which_o they_o call_v turbith-mineral_n mercurius_n vitæ_fw-la dulcis_fw-la sublimate_n precipitate_a and_o mercury_n cosmetical_a you_o may_v most_o plain_o and_o distinct_o see_v the_o globular_a atom_n of_o current_n and_o quick_a ☿_o besprinkle_v all_o among_o those_o powder_n like_v so_o many_o little_a star_n in_o the_o firmament_n which_o show_v that_o those_o chemical_a preparation_n be_v not_o near_o so_o pure_o exalt_v and_o prepare_v as_o they_o be_v presume_v to_o be_v nor_o the_o mercury_n any_o way_n transmute_v but_o mere_o by_o a_o atomical_a division_n render_v insensible_a that_o subtle_a and_o pure_a yellow_a powder_n of_o mercury_n call_v mercurius_n aquavitae_fw-la look_v like_o the_o yolk_n of_o a_o egg_n boil_a hard_a and_o crumble_v to_o a_o gross_a powder_n in_o it_o and_o in_o that_o meal-like_a powder_n of_o mercurius_n cosmeticus_n be_v globule_n of_o ☿_o plain_o discernible_a observat._n xxxvi_o of_o the_o seven_o terrestrial_a planet_n as_o the_o chemist_n call_v they_o viz._n ☉_o gold_n ☽_o silver_n ♂_o steele_n ♀_o copper_n ☿_o quicksilver_n ♃_o tin_n ♄_o lead_n look_v at_o a_o polish_a piece_n of_o any_o of_o these_o metal_n and_o you_o shall_v see_v they_o all_o full_a of_o fissure_n cavity_n and_o asperity_n and_o irregularity_n but_o least_o of_o all_o in_o lead_n which_o be_v the_o close_a and_o most_o compact_a solid_a body_n probable_o in_o the_o world_n observat._n xxxvii_o ribban_n of_o all_o sort_n of_o colour_n silk_n satin_n silver_n and_o mix_v in_o the_o silk_n ribban_n you_o may_v plain_o see_v the_o contexture_n how_o the_o warp_n and_o the_o weft_n cross_v one_o another_o at_o right_a angle_n and_o how_o neat_o they_o be_v plait_v just_a as_o in_o this_o picture_n in_o satin_n ribban_n one_o warp_n cross_v over_o three_o or_o four_o weft_n most_o lively_a and_o pleasant_a in_o cloth_n of_o silver_n the_o weft_n be_v flat_o wire_a silver_n that_o cross_v the_o warp_n it_o make_v a_o fine_a chequer_v representation_n observat._n xxxviii_o the_o small_a dust_n powder_n or_o seed_n of_o the_o lesser_a moon-wort_n that_o small_a pure_a yellow_a meal_n or_o dust_n which_o you_o may_v shake_v off_o from_o ripe_a moon-wort_n appear_v like_o a_o heap_n of_o little_a white_a round_a bugle_n or_o seed_n pearl_n and_o something_o transparent_a when_o the_o sun_n shine_v like_v to_o some_o other_o small_a seed_n with_o a_o fiber_n about_o every_o one_o of_o they_o like_o the_o semicircular_a rib_n in_o a_o pompion_n so_o that_o this_o experiment_n have_v decide_v the_o old_a quarrel_n in_o herbalism_n which_o be_v the_o least_o of_o seed_n for_o though_o mustardseed_n do_v carry_v the_o vogue_n among_o the_o people_n yet_o its_o exiguity_n be_v to_o be_v respective_o understand_v of_o such_o seed_n as_o extend_v to_o large_a production_n for_o we_o see_v that_o the_o seed_n of_o sweet_a marjerom_n and_o wild_a poppy_n be_v far_o less_o and_o the_o seed_n of_o tobacco_n so_o small_a that_o a_o thousand_o of_o they_o make_v not_o above_o one_o single_a grain_n in_o weight_n yet_o must_v all_o give_v place_n to_o the_o super-exiguity_a of_o this_o farinaceous_a seed_n of_o wort_n which_o be_v indeed_o 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d the_o exiguity_n and_o smallness_n whereof_o may_v very_o well_o be_v one_o of_o the_o magnolia_n of_o nature_n somewhat_o illustrate_v the_o great_a work_n of_o the_o creation_n and_o vast_a production_n from_o nothing_o observat._n thirty-nine_o the_o seed_n of_o wall-rue_n or_o white_a maydenhair_n take_v one_o of_o the_o leaf_n of_o wall-rue_n which_o have_v the_o blackish_a scurff_n stick_v to_o the_o back_n side_n of_o it_o and_o lay_v it_o upon_o the_o object-plate_n and_o you_o shall_v see_v all_o the_o seed_n look_v just_a like_o a_o set_v of_o black_a button_n upon_o green_a taffeta_n and_o every_o button_n or_o seed_n compass_v with_o a_o circle_n or_o rib_n somewhat_o resemble_v a_o catterpillar_n it_o have_v be_v the_o opinion_n of_o old_a herbarist_n that_o the_o capillary_a plant_n have_v no_o seed_n which_o error_n do_v rise_v meeâ—ly_o from_o a_o popular_a inadvertency_n for_o though_o these_o plant_n carry_v
will_v melt_v immediate_o like_o wax_n if_o you_o hold_v they_o but_o near_o the_o flame_n of_o a_o common_a candle_n without_o any_o blast_n at_o all_o by_o which_o artifice_n i_o make_v small_a syphon_n for_o the_o trial_n of_o many_o notable_a experiment_n of_o which_o i_o have_v treat_v at_o large_a in_o our_o mercurial_a experiment_n this_o further_a i_o shall_v add_v of_o flint_n that_o in_o it_o you_o shall_v see_v small_a spark_n of_o diamond_n angular_a and_o grow_v out_o of_o the_o stone_n as_o out_o of_o a_o mineral_n bed_n observat._n l._n of_o hair_n we_o slit_v a_o black_a horse_n hair_n with_o a_o razor_n and_o perceive_v it_o to_o be_v hollow_a with_o a_o white_a streak_n like_o pith_n in_o the_o middle_n of_o it_o it_o seem_v as_o big_a as_o a_o rush_n and_o like_o a_o rush_n slit_v length-waye_n into_o two_o they_o be_v none_o of_o they_o cylindrical_n but_o angular_a and_o cornered_a which_o you_o may_v even_o perceive_v by_o your_o finger_n by_o twirl_v a_o horsehair_n in_o they_o now_o though_o borrelius_n and_o some_o of_o our_o anatomist_n as_o bartholin_n riolan_n etc._n etc._n say_v the_o like_a of_o the_o hair_n of_o a_o man_n head_n that_o they_o also_o be_v hollow_a within_o and_o angular_a and_o cornered_a without_o yet_o i_o can_v never_o perceive_v neither_o the_o one_o nor_o the_o other_o in_o any_o of_o the_o microscope_n i_o have_v see_v though_o i_o have_v try_v it_o in_o four_o excellent_a one_o the_o worst_a whereof_o i_o be_o confident_a be_v better_a then_o that_o of_o borrels_n in_o all_o which_o i_o can_v perceive_v nothing_o of_o a_o hair_n but_o that_o it_o be_v like_o a_o thin_a horn_n something_o diaphanous_a especial_o in_o the_o full_a sun_n which_o diaphanity_n may_v perchance_o hinder_v the_o appearance_n both_o of_o its_o cavity_n and_o angularity_n also_o for_o i_o myself_o have_v little_a glass_n pipe_n of_o so_o little_a a_o cylinder_n and_o so_o small_a a_o bore_n that_o their_o hollowness_n to_o the_o bare_a eye_n be_v utter_o imperceptible_a and_o since_o the_o bristle_n and_o quill_n in_o other_o animal_n be_v sensible_o hollow_a which_o be_v analogous_a to_o the_o hair_n in_o a_o man_n i_o doubt_v not_o but_o every_o one_o of_o our_o hair_n be_v hollow_a also_o which_o though_o our_o glass_n by_o reason_n of_o their_o transparency_n can_v present_v yet_o it_o be_v palpable_o evince_v by_o a_o odd_a experiment_n in_o poland_n where_o there_o be_v a_o disease_n they_o call_v the_o plica_fw-la which_o make_v the_o very_a hair_n of_o their_o head_n drop_v blood_n at_o the_o end_n and_o if_o cut_v any_o where_o to_o drop_v blood_n there_o also_o which_o infallible_o prove_v the_o tubulous_a cavity_n of_o they_o beside_o we_o see_v the_o hair_n do_v grain_n and_o fork_n themselves_o when_o grow_v too_o long_o which_o be_v a_o sign_n also_o of_o their_o hollowness_n what_o shall_v we_o judge_v they_o too_o small_a to_o be_v perforate_v by_o nature_n since_o we_o see_v she_o have_v perforate_v vessel_n within_o the_o body_n as_o small_a as_o hair_n as_o the_o venae_fw-la lacteae_fw-la and_o lymphducts_a nay_o since_o we_o see_v that_o art_n can_v blow_v a_o glass_n hollow_a and_o yet_o as_o small_a as_o hair_n and_o your_o wire-drawer_n know_v that_o if_o they_o take_v a_o short_a piece_n of_o wire_n as_o thick_a as_o a_o quill_n and_o drill_v it_o through_o that_o then_o though_o they_o draw_v it_o out_o to_o the_o smallness_n of_o a_o hair_n yet_o will_v it_o still_o remain_v hollow_a quite_o through_o in_o despite_n of_o their_o wurdle_n which_o be_v as_o great_a a_o miracle_n in_o that_o engine_n as_o that_o the_o like_a wire_n once_o gild_v shall_v remain_v perfect_o gild_v all_o over_o though_o it_o be_v draw_v five_o hundred_o yard_n long_o than_o it_o be_v at_o first_o which_o be_v a_o experimental_a truth_n and_o the_o daily_a practice_n of_o our_o wire-drawer_n in_o london_n so_o that_o the_o conclusion_n of_o this_o observation_n may_v be_v this_o that_o every_o hair_n of_o our_o head_n be_v as_o a_o little_a quill_n or_o horn_n hollow_a and_o transparent_a which_o seem_v to_o be_v further_o avouch_v also_o by_o the_o burn_a of_o hair_n for_o there_o you_o may_v perceive_v the_o same_o odour_n and_o smell_n as_o of_o burn_a horn_n and_o the_o chemist_n as_o i_o remember_v draw_v out_o of_o hair_n a_o volatile_a spirit_n exact_o like_o that_o of_o hartshorn_n both_o which_o experiment_n do_v prove_v a_o homogeneity_n and_o similarity_n of_o their_o substance_n observat._n li._n of_o aromatical_a electrical_a and_o magnetical_a effluxion_n some_o with_o a_o magisterial_a confidence_n do_v rant_v so_o high_a as_o to_o tell_v we_o that_o there_o be_v glass_n which_o will_v represent_v not_o only_o the_o aromatical_a and_o electrical_a effluxion_n of_o body_n but_o even_o the_o subtle_a effluvium_n of_o the_o loadstone_n itself_o who_o exspiration_n say_v doctor_n highmore_n some_o by_o the_o help_n of_o glass_n have_v see_v in_o the_o form_n of_o a_o mist_n to_o flow_v from_o the_o loadstone_n this_o experiment_n indeed_o will_v be_v a_o incomparable_a eviction_n of_o the_o corporeity_n of_o magnetical_a effluvium_n and_o sensible_o decide_v the_o controversy_n betwixt_o the_o peripatetic_a and_o atomical_a philosopher_n but_o i_o be_o sure_a he_o have_v better_a eye_n or_o else_o better_a glass_n or_o both_o then_o ever_o i_o see_v that_o perform_v so_o subtle_a a_o experiment_n for_o the_o best_a glass_n that_o ever_o i_o see_v will_v not_o represent_v to_o i_o the_o evaporation_n of_o camphire_n which_o spend_v itself_o by_o continual_o effluviate_a its_o own_o component_a particle_n nay_o i_o can_v never_o see_v the_o grosser_n steam_n that_o continual_o perspire_v out_o of_o our_o own_o body_n which_o you_o see_v will_v foil_v and_o besmear_v a_o polish_a glass_n at_o any_o time_n and_o which_o be_v the_o fuliginous_a eructation_n of_o that_o internal_a fire_n that_o constant_o burn_v within_o we_o indeed_o if_o our_o dioptic_o can_v attain_v to_o that_o curiosity_n as_o to_o grind_v we_o such_o glass_n as_o will_v present_v the_o effluvium_n of_o the_o magnet_n we_o may_v hazard_v at_o last_o the_o discovery_n of_o spirituality_n themselves_o however_o it_o will_v be_v of_o incomparable_a use_n to_o our_o modern_a corpuscularian_a philosopher_n who_o have_v banish_v quality_n out_o of_o the_o list_n of_o the_o predicament_n and_o true_o as_o the_o learned_a doctor_n brown_n have_v it_o the_o doctrine_n of_o effluxion_n their_o penetrate_a nature_n their_o invisible_a path_n and_o unsuspected_a effect_n be_v very_o considerable_a for_o beside_o the_o magnetical_a one_o of_o the_o earth_n several_a effusion_n there_o may_v be_v from_o divers_a other_o body_n which_o invisible_o act_v their_o part_n at_o any_o time_n and_o perhaps_o through_o any_o medium_fw-la a_o part_n of_o philosophy_n but_o yet_o in_o discovery_n and_o will_v i_o fear_v prove_v the_o last_o leaf_n to_o be_v turn_v over_o in_o the_o book_n of_o nature_n some_o consideration_n corollary_n and_o deduction_n anatomical_a physical_a and_o optical_a draw_v from_o the_o former_a experiment_n and_o observation_n first_o therefore_o it_o be_v ocular_o manifest_a from_o the_o former_a observation_n that_o as_o perfect_a animal_n have_v a_o incessant_a motion_n of_o their_o heart_n and_o circulation_n of_o their_o blood_n first_o discover_v by_o the_o illustrious_a doctor_n harvey_n so_o in_o these_o puny_a automata_fw-la and_o exsanguineous_a piece_n of_o nature_n there_o be_v the_o same_o pulse_v organ_n and_o circulation_n of_o their_o nutritive_a humour_n also_o as_o be_v demonstrate_v by_o observe_v four_o six_o seventeen_o etc._n etc._n nay_o by_o observe_v six_o it_o be_v plain_a that_o a_o louse_n be_v a_o sanguineous_a animal_n and_o have_v both_o a_o heart_n and_o auricles_n the_o one_o manifest_o precede_v the_o pulse_n of_o the_o other_o and_o have_v a_o purple_a liquor_n or_o blood_n which_o circulate_v in_o she_o as_o the_o noble_a sort_n of_o animal_n have_v which_o though_o it_o be_v only_o conspicuous_a in_o its_o great_a bulk_n at_o the_o heart_n yet_o certain_o it_o be_v carry_v up_o and_o down_o in_o circulatory_a vessel_n which_o vein_n and_o artery_n be_v so_o exceed_o little_a that_o both_o they_o and_o their_o liquor_n be_v insensible_a for_o certain_o if_o we_o can_v at_o a_o lamp-furnace_n draw_v out_o such_o small_a capillary_a pipe_n of_o glass_n that_o the_o red_a liquor_n in_o the_o world_n shall_v not_o be_v see_v in_o they_o which_o i_o have_v often_o try_v and_o do_v how_o much_o more_o curious_o can_v nature_n weave_v the_o vessel_n of_o the_o body_n nay_o and_o bear_v they_o too_o with_o such_o a_o drill_n as_o the_o art_n of_o man_n can_v excogitate_v beside_o we_o see_v even_o in_o our_o own_o eye_n that_o the_o sanguineous_a vessel_n that_o run_v along_o the_o white_a of_o the_o eye_n
nay_o and_o probable_o into_o the_o diaphanous_a humour_n also_o be_v not_o discernible_a but_o when_o they_o be_v preter-natural_o distend_v in_o a_o ophthalmia_fw-la and_o so_o grow_v turgent_fw-la and_o conspicuous_a to_o which_o we_o may_v add_v that_o in_o most_o quick_a fish_n though_o you_o cut_v a_o piece_n of_o their_o flesh_n off_o yet_o will_v no_o blood_n be_v discernible_a though_o they_o be_v sanguineous_a animal_n but_o the_o blood_n be_v so_o divide_v by_o the_o minuteness_n of_o their_o capillary_a vessel_n or_o percribration_n through_o the_o habit_n of_o the_o part_n that_o either_o it_o have_v lose_v its_o redness_n or_o our_o eye_n be_v not_o able_a to_o discover_v its_o tincture_n second_o it_o be_v observable_a also_o from_o the_o former_a experiment_n that_o in_o these_o minute_n animal_n their_o nutritive_a liquor_n never_o arise_v to_o the_o perfection_n of_o blood_n but_o continual_o as_o it_o be_v remain_v chyle_n within_o they_o for_o want_v of_o a_o high_a heat_n to_o die_v it_o into_o that_o spirituous_a liquor_n nay_o you_o shall_v observe_v in_o perfect_a sanguineous_a animal_n a_o circulation_n of_o a_o albugineous_a chylie-matter_n before_o the_o blood_n have_v a_o be_v if_o you_o take_v nature_n at_o the_o rise_n and_o critical_o observe_v she_o in_o her_o rudimental_a and_o obscure_a beginning_n for_o view_v but_o a_o egg_n after_o the_o second_o day_n incubation_n and_o you_o shall_v see_v the_o cicatricula_fw-la in_o the_o yolk_n dilate_v to_o the_o breadth_n of_o a_o groat_n or_o sixpence_n into_o transparent_a concentrical_a circle_n in_o the_o centre_n whereof_o be_v a_o white_a spot_n with_o small_a white_a thread_n which_o in_o futurity_n prove_v the_o heart_n with_o its_o vein_n and_o artery_n but_o at_o present_a both_o its_o motion_n and_o circulation_n be_v undiscernible_a to_o the_o bare_a eye_n by_o reason_n of_o the_o feebleness_n thereof_o and_o also_o because_o both_o the_o liquor_n and_o its_o vessel_n be_v concolour_n to_o the_o white_a of_o the_o egg_n they_o swim_v in_o but_o the_o heart_n do_v circulate_v this_o serous_a diaphanous_a liquor_n before_o by_o a_o high_a heat_n it_o be_v turn_v into_o blood_n and_o one_o thing_n here_o i_o be_o tempt_v to_o annex_v which_o be_v a_o pretty_a and_o beneficial_a observation_n of_o the_o microscope_n and_o that_o be_v that_o as_o soon_o as_o ever_o you_o can_v see_v this_o red_a pulse_v particle_n appear_v which_o doctor_n harvey_n conceit_v not_o to_o be_v the_o heart_n but_o one_o of_o its_o auricles_n you_o shall_v most_o distinct_o see_v it_o to_o be_v the_o whole_a heart_n with_o both_o auricles_n and_o both_o ventricles_n the_o one_o manifest_o precede_v the_o pulse_n of_o the_o other_o which_o two_o motion_n the_o bare_a eye_n judge_n to_o be_v synchronical_a and_o without_o any_o interlope_a perisystole_n at_o all_o so_o admirable_a be_v every_o organ_n of_o this_o machine_n of_o we_o frame_v that_o every_o part_n within_o we_o be_v entire_o make_v when_o the_o whole_a organ_n seem_v too_o little_a to_o have_v any_o part_n at_o all_o three_o it_o be_v peculiar_o remarkable_a from_o observation_n xxxi_o that_o not_o only_o the_o blood_n in_o perfect_a animal_n and_o the_o chyle_n in_o imperfect_a one_o but_o also_o the_o animal_n spirit_n have_v a_o circulation_n which_o singular_a observation_n have_v often_o provoke_v and_o entice_v our_o endeavour_n into_o a_o further_a enquiry_n after_o the_o nature_n of_o these_o spirit_n as_o to_o their_o origin_n or_o generation_n their_o activity_n and_o motion_n with_o some_o other_o eminent_a property_n belong_v to_o they_o we_o shall_v draw_v our_o thought_n together_o and_o so_o present_v they_o to_o your_o view_n i_o will_v not_o say_v that_o our_o discourse_n hereon_o shall_v pass_v for_o a_o un-controllable_a authentic_a truth_n it_o be_v all_o my_o ambition_n if_o it_o attain_v but_o to_o the_o favourable_a reception_n of_o a_o rational_a hypothesis_n at_o last_o a_o digression_n of_o the_o animal_n spirit_n first_o then_o we_o have_v not_o those_o narrow_a conception_n of_o these_o subtle_a spirit_n to_o think_v that_o they_o be_v only_o include_v within_o the_o body_n of_o animal_n or_o generate_v much_o less_o create_v there_o but_o we_o do_v believe_v that_o they_o be_v universal_o diffuse_v throughout_o all_o body_n in_o the_o world_n and_o that_o nature_n at_o first_o create_v this_o aetherial_a substance_n or_o subtle_a particle_n and_o diffuse_v they_o throughout_o the_o universe_n to_o give_v fermentation_n and_o concretion_n to_o mineral_n vegetation_n and_o maturation_n to_o plant_n life_n sense_n and_o motion_n to_o animal_n and_o indeed_o to_o be_v the_o main_a though_o invisible_a agent_n in_o all_o nature_n three_o kingdom_n mineral_n vegetal_n and_o animal_n and_o lest_o they_o shall_v because_o of_o their_o exceed_a volatility_n and_o activity_n be_v of_o little_a or_o no_o use_n nature_n have_v immerse_v they_o in_o grosser_n matter_n and_o imprison_v they_o in_o several_a body_n with_o which_o she_o have_v intermix_v they_o the_o better_a to_o curb_v the_o boundless_a activity_n of_o so_o thin_a and_o spirituous_a a_o substance_n and_o therefore_o the_o spirit_n of_o all_o compound_n body_n especial_o ought_v to_o be_v consider_v under_o a_o triple_a notion_n viz._n under_o the_o state_n of_o 1._o fixation_n 2._o fusion_n 3._o volatilization_n first_o of_o fixation_n when_o they_o be_v so_o complicate_v with_o the_o grosser_n particle_n of_o matter_n and_o lock_v therein_o so_o fast_o that_o they_o can_v hardly_o be_v separate_v and_o dis-imprisoned_n as_o in_o mineral_n but_o most_o especial_o in_o gold_n second_o the_o state_n of_o fusion_n i_o call_v that_o when_o the_o spirit_n by_o any_o kind_n of_o help_n have_v so_o wrought_v themselves_o towards_o a_o liberty_n that_o they_o be_v in_o the_o middle_a way_n to_o volatility_n as_o in_o half-concocted_n mineral_n ferment_v vapour_n or_o liquor_n and_o half-ripned_n fruit_n etc._n etc._n three_o the_o spirit_n be_v in_o their_o three_o state_n of_o volatility_n when_o after_o a_o colluctancy_n with_o the_o grosser_n particle_n they_o have_v so_o subjugate_v and_o overcome_v they_o that_o they_o be_v just_a upon_o wing_n and_o ready_a to_o fly_v away_o as_o in_o wine_n when_o it_o be_v in_o the_o height_n of_o its_o fermentation_n and_o in_o some_o part_n of_o our_o arterial_a blood_n always_o now_o we_o observe_v that_o those_o body_n that_o relax_v and_o open_v the_o grosser_n composition_n of_o other_o body_n do_v present_o create_v a_o fermentation_n for_o be_v like_o so_o many_o key_n they_o set_v the_o imprison_a spirit_n at_o liberty_n which_o present_o fall_v on_o work_v and_o by_o attenuate_v the_o grosser_n part_n separate_v the_o heterogeneous_a volatilize_v some_o precipitate_v of_o other_o digest_v of_o other_o expel_v of_o other_o do_v at_o last_o mould_n it_o and_o work_v it_o to_o such_o a_o body_n as_o the_o part_n of_o it_o be_v fit_a to_o make_v up_o in_o all_o which_o interval_n of_o time_n there_o be_v a_o palpable_a and_o sensible_a heat_n produce_v thus_o this_o spirit_n be_v embowel_v in_o the_o earth_n and_o meet_v there_o with_o convenient_a matter_n and_o adjuvant_fw-la cause_n do_v proceed_v to_o produce_v mineral_n create_v a_o actual_a heat_n wheresoever_o it_o operate_v as_o in_o alum_n or_o copperase_n mine_n which_o be_v break_v expose_v and_o moisten_v will_v gather_v a_o actual_a heat_n and_o produce_v much_o more_o of_o those_o mineral_n than_o else_o the_o mine_n will_v yield_v as_o agricola_n and_o thurniseer_n do_v affirm_v and_o be_v prove_v by_o common_a experience_n the_o like_a be_v general_o observe_v in_o mine_n as_o agricola_n erastus_n and_o â—ibanius_n etc._n etc._n do_v affirm_v and_o avouch_v out_o of_o the_o daily_a experience_n of_o mineral_n man_n who_o affirm_v that_o in_o most_o place_n they_o find_v their_o mine_n so_o hot_a as_o they_o can_v hardly_o 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all_o her_o operation_n both_o of_o sense_n and_o motion_n first_o for_o sense_n it_o be_v plain_a by_o what_o be_v discover_v in_o a_o vertigo_n for_o the_o brain_n itself_o be_v not_o of_o such_o a_o fluid_a substance_n as_o to_o turn_v round_o and_o make_v all_o object_n to_o do_v so_o too_o wherefore_o it_o be_v a_o sign_n that_o the_o immediate_a corporeal_a instrument_n of_o convey_v the_o image_n of_o thing_n be_v the_o spirit_n in_o the_o brain_n second_o that_o they_o be_v the_o chief_a engine_n of_o sight_n be_v plain_a not_o only_o because_o the_o eye_n be_v full_a of_o these_o livid_n spirit_n but_o also_o because_o dimness_n of_o sight_n come_v from_o deficiency_n of_o they_o though_o the_o part_n of_o the_o eye_n otherways_o be_v entire_a enough_o as_o in_o sick_a and_o old_a person_n and_o in_o those_o trouble_v with_o a_o amaurosis_n or_o gutta_n serena_n i_o have_v the_o last_o year_n a_o patient_n a_o young_a boy_n of_o seventeen_o year_n old_a who_o fall_v casual_o stark_o blind_a of_o his_o right_a eye_n in_o which_o you_o can_v outward_o discover_v no_o fault_n at_o all_o the_o disease_n be_v a_o amaurosis_n or_o obstruction_n of_o the_o optic_a nerve_n for_o that_o nerve_n be_v by_o successful_a mean_n disobstruct_v and_o relax_v so_o that_o the_o animal_n spirit_n be_v able_a to_o flow_v do_v to_o the_o retina_fw-la again_o he_o short_o after_o perfect_o recover_v his_o sight_n again_o without_o any_o relapse_n at_o all_o to_o this_o present_a day_n three_o if_o you_o cast_v a_o ligature_n upon_o any_o nerve_n you_o destroy_v both_o the_o sense_n and_o motion_n of_o that_o part_n whither_o that_o nerve_n be_v propagate_v as_o by_o that_o pleasant_a experiment_n by_o tie_v the_o recurrent_a nerve_n in_o a_o live_a dog_n we_o have_v try_v till_o by_o relax_v the_o ligature_n the_o spirit_n may_v have_v the_o freedom_n to_o channel_n into_o the_o nerve_n again_o which_o truth_n be_v also_o handsome_o make_v out_o by_o that_o ordinary_a example_n of_o a_o man_n leg_n be_v asleep_a as_o we_o call_v it_o for_o by_o compression_n of_o the_o nerve_n the_o propagation_n of_o the_o spirit_n into_o the_o part_n be_v hinder_v for_o as_o sense_n and_o motion_n be_v restore_v you_o may_v feel_v something_o creep_v into_o the_o leg_n tingle_v and_o sting_v like_o pismire_n as_o spigelius_n compare_v it_o which_o be_v the_o return_n of_o the_o animal_n spirit_n into_o that_o part_n again_o four_o that_o spontaneous_a motion_n be_v perform_v by_o continuation_n of_o the_o animal_n spirit_n from_o the_o common_a sensorium_n to_o the_o muscle_n which_o be_v the_o gross_a engine_n of_o motion_n be_v sensible_o evince_v in_o dead_a palsy_n where_o one_o side_n be_v take_v away_o to_o all_o which_o add_v the_o former_a observation_n of_o the_o spirit_n circumundulation_n when_o the_o snail_n at_o any_o time_n move_v and_o of_o their_o joint_a quiescency_n together_o have_v now_o show_v you_o how_o these_o animal_n spirit_n be_v generate_v in_o 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part_n of_o the_o body_n else_o we_o shall_v always_o be_v benumb_v and_o stupid_a as_o when_o our_o leg_n be_v asleep_a by_o a_o interception_n of_o the_o spirit_n second_o that_o their_o motion_n be_v slow_a in_o sensation_n then_o motion_n the_o former_a experiment_n of_o the_o snail_n do_v also_o manifest_a who_o animal_n spirit_n never_o begin_v to_o undulate_v till_o she_o begin_v to_o move_v whereas_o she_o be_v sensible_a when_o they_o be_v in_o quiescency_n as_o you_o may_v by_o prick_v she_o with_o a_o needle_n easy_o observe_v three_o in_o the_o return_n of_o the_o spirit_n into_o the_o stupefy_v leg_n we_o plain_o perceive_v by_o the_o prickle_a what_o a_o flow_n motion_n the_o spirit_n have_v all_o which_o phaenomena_n do_v seem_v to_o favour_v our_o former_a conjecture_n that_o for_o motion_n the_o spirit_n move_v impetuous_o down_o the_o nervous_a filament_n which_o be_v hollow_a but_o for_o sensation_n they_o only_o creep_v by_o a_o filtration_n down_o their_o coat_n 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