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vitality_n of_o it_o do_v necessary_o depend_v can_v be_v otherwise_o conserve_v than_o by_o a_o continual_a agitation_n and_o concussion_n make_v in_o the_o vessel_n first_o by_o the_o heart_n with_o strong_a force_n impel_v the_o blood_n through_o the_o artery_n then_o that_o impulsive_a force_n languish_v by_o filtration_n in_o the_o space_n intermediate_v betwixt_o the_o artery_n and_o vein_n next_o in_o the_o vein_n by_o the_o constriction_n of_o their_o circular_a fibre_n by_o the_o compression_n of_o the_o muscle_n and_o the_o viscera_n and_o the_o inspire_a air_n all_o which_o compression_n will_v not_o suffice_v be_v not_o valve_n place_v commodious_o within_o the_o vein_n by_o which_o the_o motion_n of_o the_o blood_n be_v accelerate_a and_o a_o far_a conquassation_n of_o it_o make_v and_o here_o we_o meet_v with_o a_o fair_a occasion_n to_o reflect_v upon_o the_o mutual_a anastomôse_n of_o the_o capillary_a vein_n and_o the_o infrequent_a distribution_n of_o valve_n in_o 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blood_n which_o be_v alone_o sufficient_a to_o evince_v that_o the_o artery_n do_v not_o remain_v empty_a after_o the_o pulsation_n of_o the_o heart_n but_o contain_v at_o least_o a_o 4_o the_o part_n of_o the_o whole_a mass_n of_o blood_n which_o in_o a_o man_n be_v about_o 5_o pint_n yet_o far_o the_o artery_n in_o the_o moment_n of_o their_o pulsation_n be_v high_o turgid_a when_o yet_o not_o above_o 3_o ounce_n of_o blood_n be_v emit_v into_o they_o by_o the_o systole_n of_o the_o heart_n therefore_o if_o before_o the_o systole_n the_o artery_n be_v whole_o empty_a a_o space_n 20_o time_n great_a than_o their_o bulk_n be_v will_v inevitable_o be_v fill_v by_o the_o 3_o ounce_n of_o blood_n emit_v by_o the_o heart_n but_o this_o certain_o be_v impossible_a without_o such_o a_o rarefaction_n of_o the_o blood_n which_o no_o man_n of_o common_a sense_n will_v admit_v therefore_o to_o replenish_v so_o great_a a_o vacuity_n in_o the_o artery_n there_o must_v come_v into_o they_o five_o 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natural_o arise_v this_o consectary_n that_o after_o the_o pulsation_n of_o the_o heart_n there_o remain_v in_o the_o artery_n the_o 4_o the_o part_n of_o the_o whole_a mass_n of_o blood_n contain_v in_o the_o body_n of_o a_o animal_n and_o in_o a_o man_n common_o about_o 5_o pint_n and_o that_o the_o proportion_n of_o blood_n express_v by_o the_o systole_n of_o the_o heart_n into_o the_o artery_n be_v about_o one_o twenty_o part_n of_o the_o blood_n contain_v in_o they_o as_o also_o that_o 3_o ounce_n of_o blood_n eject_v out_o of_o the_o heart_n into_o the_o artery_n fill_v a_o space_n in_o the_o artery_n next_o to_o the_o heart_n no_o great_a than_o half_a a_o foot_n namely_o so_o much_o as_o be_v triple_a or_o quadruple_a to_o the_o latitude_n of_o the_o ventricles_n of_o the_o heart_n proposition_n that_o the_o motion_n of_o the_o blood_n in_o the_o artery_n be_v threefold_o swift_a than_o the_o motion_n of_o the_o heart_n that_o impell_v the_o blood_n because_o in_o the_o same_o time_n be_v absolve_v all_o these_o motion_n viz._n the_o dilatation_n of_o the_o pore_n of_o the_o heart_n the_o restriction_n of_o its_o cavity_n by_o the_o swell_a inward_a of_o the_o wall_n of_o the_o ventricles_n the_o expulsion_n of_o the_o blood_n contain_v in_o the_o ventricles_n the_o motion_n of_o the_o expulse_v blood_n in_o the_o artery_n and_o the_o promotion_n of_o the_o mass_n of_o blood_n preaexistent_a in_o they_o cause_v by_o the_o urgency_n of_o the_o new_a blood_n come_v on_o out_o of_o the_o heart_n all_o these_o action_n i_o say_v be_v perform_v in_o the_o same_o time_n and_o it_o appear_v that_o the_o three_o former_a operation_n be_v perform_v with_o the_o same_o velocity_n in_o the_o heart_n because_o the_o fibre_n of_o the_o heart_n by_o reason_n of_o their_o abbreviation_n be_v with_o the_o same_o motion_n move_v through_o the_o same_o space_n of_o the_o amplitude_n of_o the_o ventricles_n through_o which_o they_o be_v move_v by_o restr_v the_o same_o ventricles_n and_o squirt_v out_o the_o blood_n that_o be_v contain_v in_o they_o and_o the_o two_o last_o operation_n likewise_o be_v perform_v with_o the_o same_o velocity_n for_o look_v how_o much_o space_n the_o blood_n expel_v out_o of_o the_o heart_n run_v through_o in_o the_o artery_n just_o so_o much_o space_n must_v the_o mass_n of_o blood_n preaexistent_a in_o they_o be_v drive_v through_o in_o the_o same_o time_n because_o one_o part_n of_o the_o blood_n must_v give_v way_n to_o another_o urge_v it_o forward_o as_o fast_o as_o that_o come_v on_o behind_o but_o if_o the_o motion_n of_o the_o constriction_n of_o the_o heart_n be_v compare_v with_o the_o progressive_a motion_n of_o the_o blood_n in_o the_o artery_n then_o doubtless_o they_o will_v not_o be_v find_v to_o be_v of_o equal_a velocity_n because_o the_o former_a motion_n viz._n of_o the_o constriction_n of_o the_o heart_n be_v make_v through_o a_o space_n equal_a to_o the_o latitude_n of_o the_o ventricles_n of_o the_o heart_n which_o at_o most_o exceed_v not_o 3_o inch_n breadth_n but_o the_o space_n through_o which_o the_o 3_o ounce_n of_o blood_n express_v out_o of_o the_o heart_n run_v in_o the_o artery_n be_v equal_a to_o the_o length_n of_o half_a a_o foot_n therefore_o the_o space_n will_v be_v triple_a at_o least_o to_o the_o space_n of_o the_o former_a motion_n and_o yet_o both_o these_o motion_n be_v perform_v in_o the_o same_o time_n ergo_fw-la the_o motion_n of_o the_o blood_n in_o the_o artery_n be_v threefold_o swift_a than_o the_o motion_n of_o the_o heart_n that_o cause_v it_o quod_fw-la erat_fw-la propositum_fw-la i_o add_v this_o remark_n that_o the_o motion_n of_o the_o blood_n in_o the_o artery_n be_v always_o the_o same_o whether_o the_o three_o ounce_n of_o blood_n emit_v into_o they_o out_o of_o the_o heart_n exact_o fill_v the_o space_n dilate_v in_o they_o or_o whether_o any_o portion_n of_o it_o be_v after_o their_o repletion_n expel_v out_o of_o they_o for_o in_o both_o case_n the_o blood_n preaexistent_a in_o the_o artery_n be_v just_a so_o much_o promove_v in_o its_o course_n as_o 3_o ounce_n new_o emit_v take_v up_o of_o space_n which_o run_v through_o more_o of_o length_n than_o half_a a_o foot_n ¶_o ⸪_o here_o i_o can_v fair_o decline_v to_o encounter_v a_o vulgar_a error_n that_o stand_v in_o my_o way_n which_o be_v that_o the_o blood_n be_v expel_v out_o of_o the_o orifice_n of_o the_o artery_n into_o the_o substance_n of_o the_o part_n by_o no_o other_o cause_n but_o the_o constriction_n of_o the_o heart_n to_o refute_v which_o i_o will_v assert_v this_o proposition_n that_o the_o cause_n expel_v the_o blood_n out_o of_o the_o artery_n be_v not_o the_o systole_n of_o the_o heart_n alone_o but_o the_o constrictive_a or_o peristaltic_a motion_n of_o the_o artery_n themselves_o natural_o and_o necessary_o succeed_v their_o expansion_n to_o the_o pulsation_n of_o the_o heart_n two_o effect_n be_v subsequent_a viz._n the_o repletion_n of_o the_o artery_n by_o the_o blood_n emit_v into_o they_o and_o the_o expulsion_n of_o the_o same_o blood_n out_o of_o they_o into_o the_o habit_n of_o the_o part_n now_o certain_o these_o two_o operation_n can_v be_v perform_v together_o or_o at_o the_o same_o time_n because_o the_o former_a be_v do_v by_o dilatation_n and_o the_o other_o by_o constriction_n of_o the_o same_o artery_n which_o two_o contrary_a motion_n can_v be_v coincident_a wherefore_o it_o be_v of_o absolute_a necessity_n that_o the_o repletion_n of_o the_o artery_n be_v precedent_n and_o the_o evacuation_n be_v subsequent_a but_o the_o repletion_n can_v be_v make_v without_o a_o violent_a distension_n of_o the_o transverse_n or_o circular_a fibre_n of_o the_o artery_n and_o we_o all_o know_v that_o all_o the_o fibre_n of_o vessel_n no_o less_o than_o those_o
march_n 28._o 1683._o ordered_n that_o the_o three_o anatomic_a lecture_n read_v on_o the_o 19_o 20_o and_o 21_o day_n of_o this_o present_a month_n in_o the_o theatre_n of_o his_o majesty_n royal_a college_n of_o physician_n in_o london_n by_o dr._n walter_n charleton_n fellow_n of_o the_o same_o college_n be_v forthwith_o print_v and_o publish_v tho._n cox_n president_n three_o anatomic_a lecture_n concern_v 1._o the_o motion_n of_o the_o blood_n through_o the_o vein_n and_o artery_n 2._o the_o organic_a structure_n of_o the_o heart_n 3._o the_o efficient_a cause_n of_o the_o heart_n pulsation_n read_v on_o the_o 19_o 20_o and_o 21_o day_n of_o march_n 1682_o 3_o in_o the_o anatomic_a theatre_n of_o his_o majesty_n royal_a college_n of_o physician_n in_o london_n by_o walter_n charleton_n m._n d._n and_o fellow_n of_o the_o same_o college_n publish_a by_o command_n of_o the_o most_o learned_a precedent_n london_n print_v for_o walter_n kettilby_n at_o the_o sign_n of_o the_o bishops-head_n in_o st._n paul_n churchyard_n 1683._o praeloquium_fw-la cum_o non_fw-la ita_fw-la pridem_fw-la clarissime_fw-la ornatissiméque_fw-la praeses_fw-la mandatum_fw-la tuum_fw-la ut_fw-la ad_fw-la saxum_fw-la hoc_fw-la anatomicum_fw-la hîc_fw-la denuò_fw-la volvendum_fw-la i_o accingerem_fw-la ad_fw-la obsequium_fw-la paratus_fw-la accepissem_fw-la mox_fw-la apud_fw-la i_o ultrò_fw-la citróque_fw-la agitare_fw-la coepi_fw-la quodnam_fw-la argumenti_fw-la genus_fw-la prae_fw-la caeteris_fw-la mihi_fw-la seligerem_fw-la quo_fw-la &_o excellentiae_fw-la tuus_fw-la expectationi_fw-la aliquatenus_fw-la satisfacere_fw-la possem_fw-la simul_fw-la &_o caeterorum_fw-la è_fw-la doctissimis_fw-la meis_fw-la collegis_fw-la quorum_fw-la hîc_fw-la florem_fw-la video_fw-la tota_fw-la urbe_fw-la delibatum_fw-la auscultationi_fw-la prolixiùs_fw-la gratificari_fw-la plurima_fw-la quidem_fw-la tunc_fw-la temporis_fw-la anxiae_fw-la ac_fw-la in_o diversa_fw-la distractae_fw-la seize_v offerebant_fw-la menti_fw-la nec_fw-la ad_fw-la gratiam_fw-la vulgi_fw-la conciliandam_fw-la fortassis_fw-la incommoda_fw-la sed_fw-la principum_fw-la virorum_fw-la quos_fw-la in_o celeberrimo_fw-la hocce_fw-la theatro_fw-la placidè_fw-la considentes_fw-la venerabundus_fw-la aspicio_fw-la erudita_fw-la curiositate_fw-la prorsus_fw-la indigna_fw-es judicabam_fw-la omne_fw-la tandem_fw-la verò_fw-la animo_fw-la se_fw-la meo_fw-la ingessit_fw-la summum_fw-la illud_fw-la necdum_fw-la etiam_fw-la medicorum_fw-la vulgo_fw-la satis_fw-la intellectum_fw-la naturae_fw-la mysterium_fw-la sanguinis_fw-la nempe_fw-la motus_fw-la circularis_fw-la quo_fw-la de_fw-la quidem_fw-la plerique_fw-la omnes_fw-la passim_fw-la gestiunt_fw-la garrire_n paucos_fw-la tamen_fw-la reperias_fw-la qui_fw-la de_fw-la causis_fw-la ejusdem_fw-la de_fw-la conditionibus_fw-la atque_fw-la circumstantiis_fw-la &_o quod_fw-la caput_fw-la est_fw-la rei_fw-la de_fw-la ratione_fw-la mechanica_fw-la cogitarunt_fw-la unquam_fw-la &_o quod_fw-la seriò_fw-la dolendum_fw-la adhuc_fw-la pauciores_fw-la existunt_fw-la qui_fw-la malè_fw-la se_fw-la habentibus_fw-la consilium_fw-la daturi_fw-la respicere_fw-la soliti_fw-la sint_fw-la ad_fw-la fidissimam_fw-la illam_fw-la morbis_fw-la sive_fw-la acutis_fw-la sive_fw-la chronicis_fw-la medentium_fw-la cynosuram_fw-la his_o ego_fw-la igitur_fw-la adeò_fw-la pudendam_fw-la adeò_fw-la etiam_fw-la valetudine_fw-la adversa_fw-la languentibus_fw-la periculosam_fw-la nunc_fw-la demum_fw-la ut_fw-la excutiam_fw-la incuriam_fw-la utque_fw-la aliquod_fw-la remedium_fw-la illorum_fw-la inscitiae_fw-la adhibeam_n mecum_fw-la statui_fw-la arreptâ_fw-la hâc_fw-la nuper_fw-la demandatae_fw-la mihi_fw-la provinciae_fw-la occasione_n de_fw-fr veris_fw-la hoc_fw-la est_fw-la mechanicis_fw-la causis_fw-la quibus_fw-la in_o orbem_fw-la perpetuò_fw-la sanguis_fw-la movetur_fw-la pro_fw-la ingenioli_fw-it mei_fw-la tenuitate_fw-la inquirere_fw-la affulsit_fw-la quip_n animo_fw-la spei_fw-la scintillula_fw-la quaedam_fw-la ex_fw-la iis_fw-la quae_fw-la ist_fw-mi â_fw-la de_fw-la quaestione_fw-la apud_fw-la vos_fw-la dicenda_fw-la habeo_fw-la lucis_fw-la nonnihil_fw-la afferri_fw-la posse_fw-la ad_fw-la eam_fw-la penitùs_fw-la explicandam_fw-la quamobrem_fw-la ne_fw-la spem_fw-la alnisse_fw-la videar_fw-la inanem_fw-la permissu_fw-la vestro_fw-la primùm_fw-la agam_fw-la de_fw-la sanguinis_fw-la per_fw-la venas_fw-la ad_fw-la cor_fw-la recurrentis_fw-la motu_fw-la rapidissimo_fw-la itemque_fw-la de_fw-la causis_fw-la istius_fw-la tantae_fw-la velocitatis_fw-la deinde_fw-la cordis_n ipsius_fw-la conformationem_fw-la organicam_fw-la perscrutabor_fw-la &_o postremò_fw-la conabor_fw-la causas_fw-la cordis_fw-la pulsationem_fw-la efficientes_fw-la quae_fw-la hactenus_fw-la omnium_fw-la elusisse_fw-la videntur_fw-la anatomicorum_fw-la solertiam_fw-la explorare_fw-la haec_fw-la autem_fw-la dum_fw-la viritìm_fw-la enucleare_fw-la molior_fw-la clarioris_fw-la doctrinae_fw-la gratiâ_fw-la demonstrationes_fw-la aliquot_fw-la mechanicas_fw-la ad_fw-la institutum_fw-la meum_fw-la apprimè_fw-la facientes_fw-la ex_fw-la alphonsi_fw-la borelli_n omnium_fw-la quotquot_fw-la hoc_fw-la saeculo_fw-la nostro_fw-la floruêre_fw-la mathematicorum_fw-la facilè_fw-la solertissimi_fw-la scriptis_fw-la mutuabor_fw-la omittendo_fw-la interea_fw-la caeterorum_fw-la ferè_fw-la omnium_fw-la qui_fw-la post_fw-la harveum_fw-la nostrum_fw-la de_fw-la circuitione_n sanguinis_fw-la conscripserunt_fw-la opiniones_fw-la idque_fw-la ne_fw-la aut_fw-la tempus_fw-la frustrà _fw-la conterere_fw-la aut_fw-la memoriae_fw-la vestrae_fw-la fidelitati_fw-la diffidere_fw-la censear_fw-la habetis_fw-la itaque_fw-la auditores_fw-la aequissimi_fw-la praesentis_fw-la mei_fw-la summam_fw-la consilii_fw-la eorumque_fw-la quae_fw-la dicere_fw-la aggredior_fw-la seriem_fw-la quam_fw-la dum_fw-la ingenii_fw-la toto_fw-la impetu_fw-la persequi_fw-la contendam_fw-la nolo_fw-la existimetis_fw-la i_o mihi_fw-la veritatis_fw-la arbitrium_fw-la arrogare_fw-la semper_fw-la equidem_fw-la verum_fw-la quaero_fw-la quinetiam_fw-la senecae_fw-la illustri_fw-la exemplo_fw-la animatus_fw-la quaero_fw-la sine_fw-la inveniendi_fw-la spe_fw-la tantum_fw-la abest_fw-la ut_fw-la credam_fw-la esse_fw-la i_o aliis_fw-la docendis_fw-la parem_fw-la neque_fw-la etiam_fw-la adeò_fw-la sum_fw-la mihi_fw-la suffenus_n ut_fw-la cujusquam_fw-la expectem_fw-la conatibus_fw-la meis_fw-la applausum_fw-la novi_fw-la enim_fw-la quam_fw-la difficile_fw-la sit_fw-la &_o diligentiae_fw-la laudem_fw-la simul_fw-la &_o gratiam_fw-la celeritatis_fw-la mereri_fw-la caeterùm_fw-la unum_fw-la illud_fw-la i_o solatur_fw-la quòd_fw-la fermè_fw-la rebus_fw-la suâ_fw-la naturâ_fw-la difficillimis_fw-la venia_fw-la sit_fw-la prolixior_fw-la apud_fw-la prudentes_fw-la viros_fw-la quibus_fw-la non_fw-la ignotum_fw-la quam_fw-la sit_fw-la arduum_fw-la novis_fw-la autoritatem_fw-la obscuris_fw-la lucem_fw-la dubiis_fw-la fidem_fw-la afferre_fw-la praelectio_fw-la i._o of_o the_o circular_a motion_n of_o the_o blood_n and_o the_o admirable_a effect_n thereof_o so_o plausible_a and_o favourable_a have_v the_o hypothesis_n of_o various_a ferment_n congenial_a to_o and_o perpetual_o resident_a in_o the_o various_a part_n principal_o in_o the_o viscera_n of_o sanguineous_a and_o more_o perfect_a animal_n seem_v to_o many_o of_o the_o virtuoso_n of_o this_o our_o inquisitive_a age_n that_o they_o have_v not_o doubt_v to_o ascribe_v to_o they_o a_o powerful_a energy_n and_o necessary_a influence_n in_o all_o the_o divers_a motion_n all_o the_o mutation_n all_o the_o concoction_n all_o the_o secretion_n and_o other_o operation_n institute_v by_o nature_n in_o such_o animal_n either_o for_o the_o conservation_n of_o they_o in_o their_o single_a being_n or_o for_o the_o propagation_n of_o their_o respective_a species_n nor_o be_v it_o easy_a for_o we_o to_o name_v any_o particular_a function_n any_o action_n though_o real_o and_o manifest_o organical_a which_o the_o sectator_n of_o this_o hypothesis_n will_v not_o present_o attribute_v to_o some_o peculiar_a ferment_n lurk_v and_o operate_n in_o the_o part_n by_o which_o that_o action_n be_v do_v and_o confer_v forsooth_o somewhat_o of_o efficacy_n towards_o the_o do_n of_o it_o as_o if_o the_o organical_a constitution_n of_o that_o part_n be_v insufficient_a to_o the_o function_n and_o use_n for_o which_o it_o be_v design_v without_o the_o help_n and_o cooperation_n of_o a_o specific_a ferment_n or_o as_o if_o the_o whole_a animal_n oeconomy_n depend_v upon_o no_o other_o harmony_n but_o that_o of_o numerose_n fermentation_n in_o a_o word_n they_o make_v they_o only_o not_o omnipotent_a as_o heraclitus_n the_o ephesian_a dream_v 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d that_o all_o place_n be_v full_a of_o spirit_n and_o daemon_n heracliti_fw-la that_o preside_v over_o human_a action_n so_o these_o gentleman_n imagine_v all_o the_o part_n of_o animal_n to_o be_v full_a of_o i_o know_v not_o what_o spiritual_a ferment_n that_o by_o occult_a influence_n regulate_v and_o diversify_v their_o function_n and_o this_o comment_n many_o have_v endeavour_v to_o assert_v by_o their_o write_n with_o as_o much_o confidence_n as_o if_o the_o verity_n of_o it_o be_v evident_a either_o from_o cogent_a reason_n or_o by_o autopsy_n when_o in_o truth_n they_o be_v no_o more_o able_a to_o prove_v by_o solid_a argument_n or_o by_o sensible_a demonstration_n the_o existence_n of_o many_o of_o their_o imaginary_a fermentative_a liquor_n or_o spirit_n in_o the_o dissect_a part_n to_o which_o they_o be_v please_v to_o consign_v they_o than_o heraclitus_n be_v able_a to_o exhibit_v to_o man_n sight_n any_o one_o of_o his_o daemon_n i_o say_v many_o of_o their_o imaginary_a ferment_n i_o do_v not_o say_v any_o because_o the_o acid_n phlegm_n find_v in_o the_o stomach_n of_o various_a animal_n may_v perhaps_o so_o far_o emulate_v the_o nature_n of_o a_o ferment_n as_o to_o deserve_v the_o same_o name_n for_o be_v endow_v with_o a_o incisive_a penetrate_a and_o dissolve_v faculty_n it_o be_v not_o improbable_a but_o it_o may_v conduce_v to_o the_o dissolution_n and_o liquation_n of_o
perfection_n and_o that_o the_o sacrifice_n of_o praise_n offer_v up_o to_o heaven_n from_o the_o mouth_n of_o one_o who_o have_v well_o study_v what_o he_o commend_v be_v more_o suitable_a to_o the_o divine_a nature_n than_o the_o blind_a applause_n of_o the_o ignorant_a wherefore_o since_o we_o be_v now_o come_v to_o the_o efficient_a cause_n of_o the_o before_o describe_v motion_n of_o the_o blood_n which_o our_o sense_n plain_o show_v and_o all_o learned_a anatomist_n acknowledge_v to_o be_v the_o pulsation_n of_o the_o heart_n and_o since_o it_o be_v equal_o manifest_a that_o this_o pulsation_n be_v a_o action_n entire_o mechanic_n let_v we_o attentive_o contemplate_v and_o consider_v the_o mechanism_n of_o the_o heart_n from_o whence_o that_o action_n necessary_o proceed_v for_o the_o true_a reason_n and_o manner_n of_o the_o pulsation_n be_v know_v our_o disquisition_n of_o the_o motion_n of_o the_o blood_n will_v be_v complete_a and_o we_o shall_v so_o much_o the_o more_o admire_v and_o laud_v the_o skill_n of_o the_o divine_a engineer_n who_o contrive_v and_o make_v the_o machine_n of_o the_o heart_n of_o so_o small_a a_o bulk_n and_o yet_o of_o so_o stupendous_a power_n and_o force_n nor_o ought_v we_o to_o despair_v of_o find_v what_o we_o search_v for_o because_o though_o the_o heart_n of_o man_n be_v to_o we_o inscrutable_a as_o to_o its_o 〈◊〉_d thought_n and_o reserve_v it_o seem_v not_o to_o be_v inscrutable_a as_o to_o its_o fabric_n and_o conformation_n i_o will_v therefore_o endeavour_v to_o explain_v the_o structure_n of_o it_o that_o the_o heart_n be_v a_o muscle_n of_o the_o same_o nature_n with_o the_o muscle_n of_o the_o limb_n be_v apparent_a to_o the_o sight_n and_o will_v be_v more_o apparent_a if_o the_o carnose_n fibres_fw-fr of_o it_o be_v plump_v up_o by_o boil_v for_o than_o we_o may_v plain_o perceive_v that_o it_o be_v compose_v of_o robu_v fleshy_a fibre_n of_o the_o same_o prismatical_a figure_n of_o the_o same_o colour_n and_o consistence_n and_o tenacity_n as_o the_o fibre_n of_o other_o muscle_n have_v and_o therefore_o the_o fibre_n of_o it_o be_v in_o like_a manner_n inelongable_a and_o resist_v distraction_n they_o as_o those_o of_o other_o muscle_n spontaneous_o contract_v themselves_o after_o extension_n may_v be_v swell_v and_o acquire_v hardness_n when_o they_o act_v in_o the_o pulsation_n of_o the_o heart_n so_o far_o the_o resemblance_n hold_v but_o yet_o the_o fibrose_a constitution_n of_o the_o heart_n differ_v from_o that_o of_o all_o other_o muscle_n in_o this_o that_o the_o flesh_n of_o the_o heart_n be_v firm_a hard_a uniform_a of_o a_o deep_a ruddy_a colour_n nor_o be_v the_o prismatic_a column_n separate_v from_o the_o little_a membrane_n and_o innumerable_a tendinose_n fibres_n as_o the_o fibre_n of_o the_o other_o muscle_n be_v beside_o the_o disposition_n and_o configuration_n of_o the_o fibre_n of_o the_o heart_n be_v extreme_o divers_a from_o that_o observe_v in_o all_o other_o for_o here_o the_o fibre_n be_v neither_o direct_a nor_o parallel_v among_o themselves_o but_o curve_v and_o spiral_n and_o in_o wonderful_a manner_n various_o interweave_v and_o implicate_v not_o by_o a_o texture_n like_o that_o by_o which_o wicker_n basket_n be_v make_v as_o vesalius_n imagine_v they_o to_o be_v but_o dispose_v with_o a_o more_o admirable_a artifice_n for_o immediate_o under_o the_o outward_a membrane_n invest_v the_o heart_n from_o the_o basis_n of_o the_o heart_n and_o from_o the_o circular_a tendinose_n orifice_n of_o it_o in_o which_o the_o vena_fw-la cava_fw-la and_o the_o vena_fw-la arteriosa_fw-la be_v terminate_v as_o also_o from_o the_o beginning_n of_o the_o aorta_fw-mi and_o arteria_fw-la venosa_fw-la be_v propagate_v a_o stratum_fw-la or_o layer_n of_o carnose_n fibres_n which_o be_v almost_o aequidistant_a among_o themselves_o and_o tend_v direct_o from_o the_o basis_n towards_o the_o cone_n of_o the_o heart_n where_o various_o inflect_v and_o contex_v they_o be_v reflect_v towards_o the_o cavity_n or_o ventricles_n within_o the_o â—â—_o volution_n and_o mutual_a intersection_n seem_v to_o give_v to_o the_o heart_n its_o circular_a and_o conical_a figure_n in_o which_o it_o be_v not_o resemble_v by_o any_o other_o muscle_n whatsoever_o be_v disseminated_a in_o great_a multitude_n sprig_n of_o nerve_n derive_v from_o the_o interior_a branch_n of_o the_o eight_o pair_n proper_o name_v par_fw-fr vagum_fw-la all_o which_o pass_v betwixt_o the_o arteria_fw-la pulmonaris_fw-la and_o the_o aorta_fw-mi first_o bestow_v many_o small_a surcle_n upon_o the_o auriculae_fw-la on_o each_o side_n and_o then_o implant_v themselves_o into_o the_o fibrose_a substance_n of_o the_o heart_n in_o divers_a place_n the_o manner_n of_o which_o their_o implantation_n be_v plain_o visible_a in_o the_o heart_n of_o a_o calf_n lamb_n or_o other_o new_a bear_v animal_n while_o it_o be_v yet_o warm_a but_o because_o in_o thing_n anatomic_a the_o eye_n be_v a_o better_a instructor_n than_o the_o ear_n i_o have_v cause_v to_o be_v accurate_o represent_v in_o this_o figure_n the_o whole_a system_n of_o nerve_n pertain_v to_o the_o heart_n and_o its_o ear_n to_o help_v both_o the_o understanding_n and_o memory_n of_o young_a student_n for_o who_o sake_n chief_o lecture_n be_v at_o first_o institute_v in_o this_o college_n figure_n iii_o in_o this_o figure_n aa_n aa_o represent_v the_o nerve_n of_o the_o eight_o pair_n cut_v off_o which_o though_o derive_v from_o the_o same_o origine_fw-la be_v yet_o in_o a_o man_n after_o they_o have_v pass_v out_o of_o the_o skull_n divide_v into_o two_o trunk_n of_o which_o the_o exterior_a denote_v by_o bb_n be_v call_v the_o intercostal_a branch_n because_o in_o its_o descent_n towards_o the_o part_n of_o the_o low_a belly_n it_o receive_v many_o spriggs_n of_o other_o nerve_n shoot_v forth_o between_o the_o rib_n from_o the_o spinal_a marrow_n as_o auxiliaries_n and_o the_o interior_a name_v par_fw-fr 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all_o conduce_v to_o one_o work_n be_v so_o artificial_o make_v that_o one_o part_n of_o it_o distend_v a_o ingot_n of_o silver_n or_o gold_n into_o that_o breadth_n and_o thickness_n as_o be_v requisite_a to_o make_v coin_n of_o which_o be_v do_v it_o deliver_v the_o plate_n it_o have_v wrought_v unto_o another_o that_o print_v the_o figure_n of_o the_o coin_n upon_o it_o and_o from_o thence_o it_o be_v turn_v over_o to_o another_o that_o cut_v it_o according_a to_o the_o print_n into_o due_a shape_n and_o weight_n and_o last_o the_o several_a piece_n fall_v into_o a_o reserve_n in_o another_o room_n where_o the_o officer_n who_o charge_n it_o be_v findeth_z treasure_n ready_o coin_v etc._n etc._n for_o betwixt_o this_o engine_n and_o the_o heart_n i_o fancy_v something_o of_o similitude_n at_o least_o in_o the_o few_o particular_n follow_v first_o as_o the_o design_n or_o end_n of_o the_o former_a be_v to_o coin_v money_n which_o be_v the_o blood_n of_o all_o state_n as_o well_o 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i_o have_v attempt_v to_o
carry_v on_o the_o resemblance_n a_o little_a far_o i_o soon_o discover_v the_o disparity_n to_o be_v so_o many_o and_o so_o great_a that_o it_o be_v impossible_a to_o reconcile_v they_o into_o a_o just_a analogy_n whereupon_o condemn_v the_o extravagance_n of_o my_o fancy_n i_o sober_o conclude_v that_o the_o heart_n of_o a_o animal_n be_v a_o engine_n never_o to_o be_v imitate_v by_o human_a art_n and_o i_o find_v myself_o more_o incline_v to_o applaud_v the_o judgement_n of_o that_o prodigy_n of_o mathematical_a knowledge_n archimedes_n of_o syracuse_n for_o never_o attempt_v to_o counterfeit_v the_o motion_n of_o the_o heart_n than_o to_o admire_v his_o wit_n show_v in_o make_v a_o sphere_n of_o glass_n athan._n 1._o kircher_n deny_v that_o any_o part_n of_o it_o be_v glass_n but_o only_o the_o outside_n that_o man_n may_v discern_v the_o wheel_n and_o motion_n within_o which_o represent_v the_o perfect_a order_n and_o motion_n of_o the_o celestial_a body_n and_o which_o claudian_n 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the_o first_o therefore_o viz._n the_o admirable_a motive_n force_v of_o the_o heart_n since_o the_o round_a and_o conical_a figure_n of_o the_o heart_n do_v not_o permit_v we_o to_o attempt_v the_o measure_n of_o its_o motive_n power_n by_o the_o same_o way_n by_o which_o the_o most_o learned_a alphonsus_n borellus_n have_v with_o singular_a sagacity_n measure_v the_o force_n of_o very_a many_o other_o muscle_n of_o man_n body_n namely_o by_o weight_n suspend_v by_o they_o and_o since_o therefore_o in_o this_o disquisition_n we_o can_v from_o the_o effect_n proceed_v to_o the_o knowledge_n of_o the_o cause_n we_o be_v compel_v from_o some_o other_o sign_n to_o raise_v a_o probable_a conjecture_n whence_o we_o may_v investigate_v the_o greatness_n of_o the_o effect_n and_o this_o sign_n shall_v be_v the_o similitude_n and_o analogy_n which_o the_o muscule_n of_o the_o heart_n seem_v to_o hold_v to_o other_o muscle_n of_o the_o same_o animal_n let_v we_o then_o with_o the_o same_o 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former_a impediment_n be_v now_o at_o length_n free_a i_o come_v in_o the_o next_o place_n to_o establish_v the_o grand_a pillar_n upon_o which_o the_o whole_a weight_n of_o this_o my_o rude_a structure_n rely_v that_o be_v to_o make_v it_o appear_v to_o be_v not_o only_o possible_a but_o also_o probable_a that_o a_o few_o little_a drop_n of_o liquor_n instill_v into_o the_o fibre_n of_o the_o heart_n shall_v only_o by_o cause_v they_o to_o swell_v or_o by_o dilate_v their_o pore_n abbreviate_v they_o with_o a_o force_n great_a enough_o to_o make_v a_o constriction_n of_o the_o heart_n this_o if_o i_o shall_v be_v able_a to_o do_v i_o shall_v not_o despair_v of_o finish_v my_o building_n as_o i_o at_o first_o design_v for_o the_o remain_a part_n of_o my_o work_n will_v be_v little_a and_o easy_a as_o for_o the_o possibility_n of_o so_o great_a a_o effect_n from_o a_o cause_n that_o seem_v to_o be_v so_o weak_a and_o inconsiderable_a that_o may_v be_v without_o much_o difficulty_n 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the_o consequent_a abbreviation_n of_o a_o cable_n to_o be_v of_o so_o great_a efficacy_n that_o the_o violence_n of_o a_o tempest_n the_o weight_n and_o jerk_n of_o a_o load_a ship_n of_o 1000_o tun_n burden_n and_o the_o current_n of_o the_o sea_n can_v by_o their_o unite_a force_n extend_v the_o cable_n to_o its_o former_a length_n this_o you_o will_v confess_v to_o be_v admirable_a that_o a_o little_a water_n insinuate_v itself_o into_o the_o pore_n of_o the_o thread_n of_o which_o the_o cable_n be_v compose_v shall_v dilate_v those_o little_a and_o indiscernible_a pore_n with_o such_o prodigious_a force_n as_o not_o only_o to_o swell_v the_o close_a and_o hard_o twist_a cable_n but_o to_o countervail_v nay_o exceed_v the_o aggregate_v of_o the_o force_n of_o a_o furious_a wind_n a_o strong_a current_n of_o the_o sea_n and_o the_o weight_n of_o so_o great_a a_o ship_n with_o its_o whole_a freight_v yet_o common_a experience_n testify_v this_o to_o be_v true_a the_o second_o 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congruous_a to_o the_o organical_a structure_n of_o the_o heart_n to_o all_o which_o i_o have_v be_v careful_a to_o adjust_a they_o and_o in_o fine_a consistent_a among_o themselves_o then_o i_o shall_v with_o assurance_n conclude_v that_o the_o heart_n be_v as_o all_o automata_n be_v move_v by_o mechanic_n necessity_n which_o be_v what_o i_o propose_v to_o demonstrate_v even_o without_o that_o incredible_a displosion_n of_o saline_n and_o acid_n spirit_n in_o the_o heart_n first_o imagine_v by_o doctor_n willis_n and_o since_o assert_v by_o a_o man_n of_o much_o great_a erudition_n and_o more_o solid_a judgement_n namely_o alphonsus_n borellus_n as_o necessary_a to_o be_v suppose_v in_o order_n to_o the_o solution_n of_o this_o great_a problem_n of_o the_o pulsation_n of_o the_o heart_n and_o that_o of_o the_o motion_n of_o the_o rest_n of_o the_o muscle_n which_o pretty_a conceit_n i_o will_v first_o revive_v in_o your_o memory_n by_o recite_v a_o few_o of_o borellus_n own_o word_n 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constriction_n of_o they_o inward_o which_o be_v requisite_a to_o the_o expression_n of_o the_o blood_n for_o the_o suppose_a explosion_n consist_v like_o that_o of_o aurum_fw-la fulminans_fw-la or_o gunpowder_n in_o a_o motion_n expansive_a will_v of_o necessity_n dilate_v the_o cavity_n of_o the_o heart_n four_o if_o a_o explosion_n of_o acid_n and_o saline_n liquor_n meet_v commix_v and_o war_a in_o the_o heart_n be_v the_o immediate_a efficient_a of_o its_o motion_n it_o be_v consentaneous_a to_o infer_v that_o where_o the_o ingredient_n of_o this_o explosive_a mixture_n be_v more_o copiose_fw-la there_o the_o explosion_n ought_v to_o be_v more_o frequent_a &_o è_fw-la contra_fw-la but_o in_o suck_a infant_n who_o be_v nourish_v only_o with_o milk_n can_v reasonable_o be_v think_v to_o have_v much_o if_o any_o thing_n of_o acidity_n in_o the_o nutritive_a juice_n or_o of_o saltness_n in_o their_o blood_n the_o pulse_n of_o the_o heart_n be_v notwithstanding_o even_o in_o the_o 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the_o fibre_n of_o the_o heart_n in_o the_o diastole_n when_o after_o violent_a tension_n they_o exercise_v their_o natural_a faculty_n of_o restitution_n but_o when_o i_o have_v