find_v the_o skin_n much_o less_o hard_a and_o firm_a than_o the_o other_o so_o that_o at_o the_o extremity_n of_o every_o toe_n of_o the_o young_a one_o it_o be_v so_o loose_a and_o flaggie_a that_o it_o may_v be_v make_v to_o extend_v and_o descend_v to_o cover_v half_o the_o nail_n which_o seem_v to_o be_v the_o case_n of_o which_o pliny_n speak_v but_o the_o truth_n be_v that_o there_o be_v no_o probability_n that_o this_o can_v preserve_v its_o nail_n as_o this_o author_n report_v because_o that_o they_o use_v they_o only_o at_o the_o point_n which_o this_o skin_n cover_n not_o we_o likewise_o observe_v something_o new_a viz._n that_o the_o epiploon_n which_o be_v as_o great_a and_o large_a as_o its_o internal_a membrane_n and_o which_o immediate_o touch_v the_o intestine_n do_v invelope_v they_o and_o come_v round_o even_o to_o the_o kidney_n have_v only_o the_o upper_a membrane_n loose_v as_o the_o name_n of_o these_o membrane_n signify_v we_o far_o remark_v that_o their_o 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not_o terminate_v in_o the_o middle_a of_o the_o kidney_n as_o higmorus_fw-la follow_v vasalius_fw-la have_v think_v but_o that_o they_o be_v carry_v to_o the_o external_a superficies_n for_o the_o separation_n of_o the_o urine_n which_o must_v be_v do_v by_o filtration_n require_v that_o the_o blood_n be_v carry_v through_o the_o artery_n as_o far_o as_o be_v possible_a to_o the_o end_n that_o it_o there_o find_v a_o great_a thickness_n of_o the_o parenchyma_n of_o the_o kidney_n to_o penetrate_v and_o consequent_o more_o capable_a of_o make_v a_o more_o perfect_a filtration_n the_o other_o reflection_n be_v that_o those_o vessel_n which_o be_v not_o general_o visible_a in_o the_o kidney_n who_o substance_n appear_v solid_a and_o homogeneous_a towards_o its_o external_a superficies_n which_o be_v smooth_a and_o even_a be_v find_v very_o apparent_a in_o this_o subject_a and_o we_o think_v it_o probable_a that_o this_o happen_v by_o some_o distemper_n and_o be_v preternatural_a in_o this_o animal_n either_o by_o a_o inslammation_n or_o obstruction_n which_o have_v cause_v these_o vessel_n insensible_o to_o dilate_v this_o be_v easy_a in_o a_o young_a animal_n where_o the_o part_n not_o yet_o harden_v be_v more_o easy_a to_o dilate_v and_o the_o humour_n be_v more_o agitate_a be_v more_o capable_a of_o effect_v this_o dilatation_n glisson_n who_o have_v observe_v that_o oftentimes_o the_o branch_n of_o some_o vessel_n be_v big_a than_o the_o very_a trunk_n which_o produce_v they_o say_v that_o this_o may_v be_v cause_v by_o a_o distemper_n and_o experience_n daily_o demonstrate_v by_o the_o pulsation_n which_o happen_v in_o inflammation_n by_o the_o glandes_n which_o appear_v in_o the_o scrofula_fw-la and_o by_o the_o vein_n which_o discover_v themselves_o in_o the_o eye_n by_o the_o opthalmia_fw-la that_o there_o be_v a_o great_a many_o thing_n which_o a_o distemper_n render_v visible_a and_o sensible_a by_o augment_v they_o or_o change_v their_o nature_n and_o make_v they_o to_o become_v hard_a and_o dense_a from_o soft_a and_o rare_a as_o they_o be_v which_o we_o have_v observe_v in_o the_o glandes_n which_o in_o some_o gazellas_fw-la or_o antelopes_n have_v seem_v to_o make_v the_o parenchyma_n of_o their_o liver_n which_o appear_v not_o in_o other_o we_o vain_o seek_v in_o the_o stomach_n and_o lung_n of_o our_o lion_n some_o mark_n of_o the_o cause_n of_o its_o death_n which_o be_v tell_v we_o happeen_v after_o the_o void_a a_o great_a deal_n of_o blood_n through_o the_o throat_n but_o we_o judge_v by_o several_a circumstance_n which_o have_v be_v relate_v that_o a_o surfeit_n extraordinary_a and_o insupportable_a to_o a_o animal_n otherwise_o weaken_v have_v make_v he_o sick_a for_o we_o know_v that_o sometime_o before_o his_o death_n he_o be_v several_a month_n without_o go_v out_o of_o his_o den_n and_o that_o it_o be_v hard_a to_o make_v he_o eat_v that_o for_o this_o reason_n some_o remedy_n be_v prescribe_v to_o he_o and_o among_o other_o the_o eat_v only_o the_o flesh_n of_o young_a animal_n and_o those_o alive_a and_o that_o those_o which_o look_v to_o the_o beast_n of_o the_o park_n of_o vincennes_n to_o make_v this_o food_n more_o delicate_a do_v use_v a_o method_n very_o extraordinary_a which_o be_v they_o flay_v lamb_n alive_a and_o thus_o they_o make_v he_o to_o eat_v several_a which_o at_o the_o first_o revive_v he_o by_o create_v he_o a_o appetite_n and_o make_v he_o brisk_a but_o it_o be_v probable_a that_o this_o food_n engender_v too_o much_o blood_n and_o which_o be_v too_o subtle_a for_o a_o animal_n to_o who_o nature_n have_v not_o give_v the_o industry_n of_o flay_v those_o which_o he_o eat_v it_o be_v credible_a that_o the_o hair_n wool_n feather_n and_o scale_n which_o all_o animal_n of_o prey_n do_v swallow_n be_v a_o season_n and_o necessary_a corrective_a to_o prevent_v their_o greediness_n from_o fill_v they_o with_o a_o too_o succuleut_fw-fr food_n the_o explanation_n of_o the_o figure_n of_o the_o lioness_n the_o posture_n be_v such_o that_o it_o be_v easy_a to_o remark_n what_o be_v most_o particular_a in_o this_o lioness_n the_o head_n be_v sideways_o the_o better_a to_o demonstrate_v the_o length_n of_o her_o chap_n which_o be_v not_o short_a and_o well-set_a like_o the_o lion_n it_o do_v likewise_o more_o distinct_o show_v the_o smallness_n of_o the_o neck_n which_o make_v the_o head_n to_o be_v shrink_v between_o the_o shoulder_n in_o the_o part_n which_o the_o dissection_n discover_v a._n the_o pylorus_n b._n the_o bottom_n of_o stomach_n separate_v from_o the_o rest_n and_o make_v as_o it_o be_v a_o other_o ventricle_n such_o as_o be_v in_o animal_n which_o chew_v the_o cud._n c_o c._n the_o vena_fw-la gastrica_fw-la d._n the_o spleen_n e_o e._n the_o several_a eminency_n towards_o the_o basis_n of_o the_o heart_n compose_v of_o a_o hard_a and_o tenacious_a
foot_n in_o find_v only_o in_o animal_n which_o do_v love_n and_o dilight-in_a watery_a place_n where_o it_o be_v know_v that_o the_o turkey-cock_n take_v no_o pleasure_n in_o fine_a in_o the_o exact_a description_n which_o the_o ancient_n have_v make_v of_o the_o meleagris_n it_o be_v impossible_a if_o it_o be_v the_o turkey-cock_n that_o they_o shall_v omit_v the_o remarkable_a and_o particular_a thing_n which_o appear_v in_o the_o turkey-cock_n and_o which_o be_v not_o find_v in_o the_o pintado_n such_o as_o be_v the_o way_n of_o display_v its_o tail_n of_o drag_v its_o wing_n against_o the_o ground_n of_o extend_v and_o suffer_v the_o comb_n on_o its_o head_n to_o hang_v of_o have_v the_o neck_n rough_a and_o whole_o void_a of_o feather_n and_o of_o have_v a_o lock_n of_o black_a hair_n at_o the_o breast_n as_o for_o what_o respect_v the_o inward_a part_n we_o find_v the_o oesophagus_n as_o in_o most_o bird_n range_v on_o the_o right_a side_n of_o the_o aspera_fw-la arteria_fw-la it_o be_v enlarge_v before_o its_o entrance_n into_o the_o thorax_n and_o make_v a_o craw_n of_o the_o bigness_n of_o a_o tennis_n ball_n when_o it_o be_v blow_v up_o afterward_o it_o be_v contract_v to_o pass_v through_o the_o thorax_n this_o contract_a part_n measure_v two_o inch_n and_o a_o half_a in_o length_n this_o whole_a oesophagus_n be_v spread_v over_o with_o a_o great_a quantity_n of_o vessel_n which_o be_v not_o visible_a in_o the_o passage_n which_o from_o the_o dilatation_n that_o we_o have_v take_v for_o a_o craw_n pass_v to_o the_o gizzard_n this_o passage_n be_v of_o a_o substance_n hardder_n white_a and_o more_o nervous_a than_o the_o rest_n the_o gizzard_n be_v as_o in_o the_o hen._n it_o be_v find_v for_o the_o most_o part_n fill_v only_o with_o gravel_n it_o be_v internal_a membrane_n be_v very_o much_o plait_v and_o easy_o separable_a from_o the_o fleshy_a part_n it_o be_v substance_n be_v like_a to_o white_a glue_n so_o that_o this_o membrane_n be_v separate_v from_o the_o gizzard_n be_v easy_o dry_v and_o wax_v hard_a and_o brittle_a like_o glass_n the_o intestine_n be_v three_o foot_n long_o without_o reckon_v the_o two_o caecum_n which_o be_v each_o six_o inch_n the_o duodenum_fw-la be_v much_o large_a than_o the_o other_o be_v above_o eight_o line_n the_o caecum_n be_v not_o of_o a_o uniform_a breadth_n as_o in_o the_o generality_n of_o bird_n but_o do_v go_v enlarge_n they_o be_v fasten_v by_o the_o membrane_n of_o the_o mesentery_n and_o receive_v vessel_n therefrom_o like_o the_o other_o intestine_n there_o be_v no_o pancreas_n the_o liver_n be_v divide_v into_o two_o lobe_n which_o at_o the_o top_n have_v each_o a_o cavitie_n to_o receive_v the_o point_n of_o the_o heart_n the_o cavity_n of_o the_o right_a lobe_n be_v great_a and_o deep_a than_o that_o of_o the_o left_a because_o that_o the_o point_n of_o the_o heart_n be_v turn_v towards_o the_o right_a side_n the_o low_a extremity_n of_o the_o lobe_n be_v fasten_v to_o the_o diaphragme_n which_o descend_v from_o the_o top_n downward_o and_o to_o the_o bladder_n which_o the_o lung_n form_n in_o the_o low_a belly_n of_o bird_n in_o most_o of_o our_o subject_n the_o liver_n be_v scirrhous_n and_o fill_v with_o a_o great_a quantity_n of_o hard_a yellow_a grain_n some_o as_o large_a as_o pease_n and_o other_o less_o we_o find_v a_o gallbladder_n only_o in_o two_o of_o our_o subject_n in_o the_o one_o it_o be_v nine_o line_n in_o length_n and_o six_o in_o breadth_n it_o have_v a_o ductus_fw-la from_o its_o bottom_n which_o be_v insert_v into_o the_o intestine_a near_o the_o pylorus_n in_o the_o other_o it_o be_v a_o inch_n and_o half_a long_a and_o four_o line_n broad_a be_v fasten_v to_o the_o hollow_a part_n of_o the_o right_a lobe_n and_o the_o ductus_fw-la be_v from_o its_o middle_n and_o not_o from_o its_o low_a extremity_n and_o insert_v itself_o into_o the_o intestine_a four_o finger_n beneath_o the_o pylorus_n in_o the_o other_o subject_n which_o have_v no_o gallbladder_n the_o ramus_fw-la hepaticus_fw-la be_v there_o find_v very_o large_a and_o visible_a it_o measure_v five_o inch_n in_o length_n and_o be_v insert_v into_o the_o intestine_a six_o inch_n beyond_o the_o pylorus_n towards_o the_o upper_a part_n of_o the_o gizzard_n there_o be_v a_o body_n of_o a_o oval_a figure_n nine_o line_n long_o and_o of_o a_o dark_a red_a colour_n and_o a_o firm_a substance_n it_o have_v connexion_n with_o the_o trunk_n of_o the_o vena_fw-la porta_n with_o that_o of_o the_o cava_fw-la and_o aorta_fw-la and_o with_o the_o intestine_n and_o ventricle_n by_o some_o very_a visible_a branch_n some_o modern_a author_n have_v observe_v that_o bird_n which_o have_v a_o fleshy_a ventricle_n have_v no_o spleen_n yet_o we_o be_v of_o opinion_n that_o this_o body_n can_v be_v no_o other_o thing_n than_o a_o spleen_n as_o well_o by_o reason_n of_o these_o connexion_n as_o of_o the_o sympathy_n which_o it_o seem_v to_o have_v with_o the_o liver_n because_o it_o be_v find_v that_o in_o all_o the_o subject_n where_o the_o liver_n be_v scirrhous_n this_o part_n be_v after_o the_o same_o manner_n although_o the_o hard_a and_o compact_a substance_n of_o this_o body_n in_o the_o subject_n where_o it_o be_v scirrhous_n and_o its_o figure_n so_o regular_o oval_a may_v cause_v a_o belief_n that_o it_o be_v a_o testicle_n but_o there_o be_v two_o other_o round_a body_n four_o line_n diameter_n couch_v on_o the_o loin_n and_o fasten_v to_o the_o trunk_n of_o the_o vena_fw-la cava_fw-la and_o aorta_fw-la which_o be_v the_o true_a testicle_n in_o one_o of_o the_o subject_n these_o round_a body_n be_v single_a and_o fasten_v on_o the_o place_n of_o the_o division_n of_o the_o iliack_n the_o air_n be_v blow_v into_o the_o aspera_fw-la arteria_fw-la it_o make_v all_o the_o bladder_n to_o swell_v which_o receive_v the_o air_n after_o it_o have_v pass_v through_o the_o lung_n and_o of_o which_o there_o be_v some_o that_o do_v descend_v into_o the_o low_a belly_n of_o bird_n it_o be_v observe_v that_o the_o pericardium_n be_v likewise_o blow_v up_o this_o remark_n may_v be_v of_o some_o importance_n to_o discover_v the_o use_n of_o respiration_n and_o the_o advantage_n which_o the_o air_n be_v by_o this_o mean_v introduce_v into_o the_o thorax_n may_v bring_v to_o the_o heart_n by_o the_o compression_n it_o may_v there_o cause_n by_o the_o impression_n of_o its_o quality_n by_o the_o reception_n of_o the_o fume_n which_o it_o incessant_o exhale_v in_o the_o continual_a heat_n in_o which_o it_o be_v etc._n etc._n the_o membrane_n of_o the_o pericardium_n be_v not_o just_o fit_a and_o fasten_v to_o the_o heart_n as_o be_v usual_a but_o be_v a_o great_a deal_n extend_v towards_o the_o point_n make_v a_o sack_n or_o appendix_n half_a a_o inch_n long_o in_o one_o of_o the_o subject_n this_o appendix_n be_v a_o great_a deal_n long_o for_o descend_v between_o the_o two_o lobe_n of_o the_o liver_n it_o go_v to_o be_v fasten_v to_o the_o gizzard_n the_o aspera_fw-la arteria_fw-la after_o have_v enter_v the_o cavity_n of_o the_o thorax_n have_v two_o small_a muscle_n which_o be_v knit_v to_o its_o anteriour_a part_n and_o which_o turn_v on_o the_o one_o side_n and_o the_o other_o somewhat_o downward_o be_v by_o several_a fibre_n unite_v to_o the_o vessel_n of_o the_o heart_n these_o muscle_n be_v each_o almost_o a_o inch_n long_o round_o like_o a_o cord_n and_o about_o the_o thickness_n of_o two_o three_o of_o a_o line_n we_o have_v find_v these_o same_o muscle_n in_o a_o great_a many_o bird_n in_o most_o they_o do_v fasten_v the_o aspera_fw-la arteria_fw-la to_o the_o sternum_fw-la the_o lung_n be_v of_o spongious_a flesh_n perforate_v with_o several_a little_a hole_n as_o big_a as_o the_o head_n of_o a_o small_a pin_n regular_o place_v as_o well_o full_a as_o empty_v and_o cover_v with_o a_o very_a fine_a tunicle_n they_o be_v of_o a_o pale-red_n incline_v to_o ash-colour_n be_v two_o inch_n and_o a_o half_a long_o and_o nine_o line_n broad_a and_o five_o thick_a the_o heart_n measure_v a_o inch_n and_o half_a in_o length_n and_o a_o inch_n in_o breadth_n towards_o its_o basis_n it_o be_v very_o point_v the_o aorta_fw-la be_v come_v out_o of_o the_o left_a ventricle_n be_v turn_v direct_o forward_o be_v still_o in_o the_o heart_n and_o cover_v with_o the_o right_a auricle_n so_o that_o it_o seem_v to_o proceed_v from_o the_o right_a uentricle_n and_o cross_v over_o in_o this_o place_n to_o descend_v to_o the_o right_a side_n for_o this_o same_o reason_n the_o left_a carotid_n do_v likewise_o appear_v to_o come_v from_o the_o heart_n although_o it_o proceed_v from_o the_o trunk_n the_o division_n of_o the_o trunk_n of_o the_o aorta_n which_o form_n the_o iliack_a branch_n be_v a_o inch_n and_o half_o
of_o which_o form_v by_o the_o side_n of_o the_o ligament_n be_v convex_a and_o the_o three_o form_v by_o the_o tunicle_n of_o the_o intestine_a be_v straight_o each_o of_o the_o two_o ligament_n be_v not_o only_o spongious_a as_o it_o be_v ordinary_o in_o other_o animal_n but_o they_o be_v hollow_a with_o a_o long_a cavity_n in_o form_n of_o a_o pipe_n which_o go_v from_o the_o os_fw-la pubis_fw-la where_o be_v the_o origine_fw-la of_o the_o ligament_n as_o far_o as_o the_o glans_fw-la the_o vessel_n which_o be_v send_v into_o the_o body_n of_o the_o penis_n have_v a_o particular_a distribution_n for_o whereas_o the_o artery_n vein_n and_o nerve_n do_v usual_o all_o three_o run_v upon_o the_o penis_n there_o be_v but_o two_o in_o our_o subject_n and_o the_o vein_n after_o have_v form_v a_o net_n work_n and_o several_a circumvolution_n towards_o the_o root_n of_o the_o penis_n do_v penetrate_v into_o the_o ligament_n and_o produce_v a_o trunk_n which_o run_v along_o the_o internal_a 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every_o year_n about_o 20″_n we_o be_v desirous_a to_o have_v choose_v a_o star_n which_o have_v be_v less_o change_v as_o have_v be_v the_o bright_a star_n of_o lyra_n or_o some_o one_o of_o cygnus_n but_o we_o have_v cause_n to_o fear_v that_o before_o we_o shall_v have_v make_v our_o observation_n the_o sun_n will_v have_v be_v too_o near_o approach_v to_o these_o star_n we_o common_o begin_v the_o observation_n of_o the_o heaven_n with_o that_o of_o the_o height_n of_o the_o pole_n with_o the_o quadrant_n and_o every_o evening_n about_o two_o or_o three_o hour_n before_o the_o knee_n of_o cassiopea_n be_v in_o the_o meridian_n we_o take_v with_o the_o same_o quadrant_n one_o height_n of_o this_o star_n mark_v the_o instant_a of_o observation_n by_o mean_n of_o a_o pendulum_n clock_n which_o give_v half_a second_n and_o which_o be_v regulate_v according_a to_o the_o diurnal_a motion_n of_o the_o fix_a star_n and_o then_o forthwith_o find_v by_o calculation_n at_o what_o hour_n and_o 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the_o two_o pin_n of_o the_o aesell_n that_o it_o may_v be_v easy_a to_o raise_v or_o sink_v the_o direction_n of_o the_o telescope_n as_o there_o shall_v be_v need_n without_o alter_v the_o aesell_n and_o when_o the_o ground_n happen_v to_o be_v unequal_a one_o may_v lengthen_v this_o or_o that_o foot_n of_o it_o by_o the_o mean_n of_o a_o rod_n of_o iron_n which_o be_v join_v to_o it_o with_o this_o instrument_n the_o level_n may_v he_o determine_v at_o one_o glance_n to_o a_o very_a great_a distance_n even_o much_o more_o than_o be_v set_v down_o in_o the_o precedent_a table_n but_o there_o be_v general_o one_o great_a obstacle_n upon_o the_o account_n of_o refraction_n which_o make_v the_o object_n appear_v above_o the_o line_n they_o ought_v to_o be_v see_v in_o for_o example_n in_o the_o second_o figure_n let_v a_o be_v the_o centre_n of_o the_o earth_n b_o c_o it_o be_v ordinary_a surface_n and_o d_o i_o the_o top_n of_o the_o mountain_n we_o be_v to_o consider_v that_o the_o earth_n be_v envelop_v with_o a_o atmosphere_n or_o vaporous_a air_n compose_v of_o different_a region_n which_o be_v more_o subtle_a the_o further_o they_o be_v remove_v from_o the_o earth_n but_o in_o such_o sort_n that_o the_o change_n be_v not_o make_v all_o at_o once_o but_o by_o degree_n the_o visual_a ray_n which_o come_v from_o a_o high_a place_n to_o a_o low_a as_o from_o d_o to_o i_o which_o pass_v oblique_o from_o a_o more_o subtle_a to_o a_o more_o gross_a air_n be_v continual_o bend_v in_o its_o way_n in_o proportion_n as_o it_o change_v the_o medium_n which_o give_v it_o the_o position_n of_o a_o curve_v line_n much_o like_o that_o of_o d_o f_o i_o but_o the_o eye_n that_o be_v in_o i_o receive_v the_o curve_v ray_n as_o if_o it_o be_v the_o tangent_fw-la i_o e_o in_o which_o it_o see_v the_o object_n d._n for_o the_o same_o reason_n if_o we_o suppose_v another_o eye_n in_o d_o it_o see_v the_o object_n i_o in_o the_o strait_a line_n d_o g._n tangent_fw-la to_o the_o same_o bend_a ray_n d_o f_o b_o and_o suppose_v that_o the_o two_o tangent_n i_o e_z and_o d_o g_z which_o be_v in_o place_n of_o the_o visual_a ray_n cut_v each_o other_o in_o h_n one_o may_v imagine_v that_o there_o happen_v the_o same_o thing_n as_o if_o the_o two_o object_n d_o and_o i_o be_v respective_o see_v with_o one_o only_a refraction_n which_o shall_v be_v make_v in_o h._n and_o which_o shall_v be_v equivalent_a to_o all_o those_o of_o the_o true_a ray_n d_o f_o 1._o the_o three_o figure_n represent_v two_o mountain_n of_o equal_a height_n but_o so_o far_o distant_a that_o the_o visual_a ray_n can_v pass_v from_o the_o top_n of_o one_o to_o the_o top_n of_o the_o other_o without_o sensible_o approach_a near_o to_o the_o surface_n of_o the_o earth_n and_o without_o be_v consequent_o break_v or_o refract_v in_o its_o way_n which_o it_o be_v not_o necessary_a far_a to_o explain_v you_o must_v always_o set_v apart_o all_o the_o irregularity_n which_o may_v happen_v every_o moment_n in_o the_o constitution_n of_o the_o air._n it_o will_v be_v enough_o for_o practice_v that_o one_o can_v inform_v one_o self_n of_o the_o refraction_n when_o there_o be_v any_o and_o that_o otherwise_o it_o may_v be_v avoid_v in_o the_o observation_n of_o the_o level_n by_o content_v one_o self_n with_o middle_a station_n divers_a author_n report_v a_o thing_n which_o we_o have_v often_o try_v which_o it_o be_v convenient_a to_o note_v here_o that_o a_o object_n which_o at_o break_v of_o the_o day_n have_v appear_v in_o the_o level_n and_o sometime_o a_o little_a above_o it_o have_v afterward_o when_o the_o sun_n be_v up_o appear_v below_o it_o and_o on_o the_o contrary_a after_o the_o set_n of_o the_o sun_n object_n far_o distant_a appear_v to_o be_v raise_v so_o sensible_o that_o in_o less_o than_o half_a a_o hour_n their_o apparent_a height_n have_v be_v augment_v more_o than_o three_o minute_n the_o cause_n of_o these_o appearance_n be_v that_o the_o coolness_n of_o the_o night_n condense_v the_o vapour_n which_o descend_v to_o a_o low_a place_n leave_v the_o air_n of_o the_o high_a station_n mare_n pure_a then_o in_o the_o time_n of_o the_o day_n which_o cause_v a_o great_a refraction_n on_o the_o contrary_a when_o the_o motion_n of_o the_o sun_n have_v make_v a_o part_n of_o the_o vapour_n to_o mount_v to_o the_o more_o elevate_a station_n there_o must_v be_v less_o difference_n of_o the_o medium_fw-la and_o consequent_o less_o of_o refraction_n we_o shall_v add_v here_o one_o experiment_n which_o make_v it_o appear_v contrary_a to_o the_o opinion_n of_o some_o author_n that_o even_o at_o noon_n day_n there_o remain_v somewhat_o of_o refraction_n when_o the_o distance_n be_v great_a and_o that_o the_o visual_a ray_n can_v pass_v from_o one_o place_n to_o another_o without_o approach_v the_o earth_n the_o last_o summer_n be_v on_o the_o top_n of_o the_o tower_n of_o nostre_fw-fr dame_n of_o paris_n we_o point_v the_o quadrant_a towards_o the_o tower_n of_o mont_n leherie_n and_o we_o find_v that_o the_o foot_n of_o this_o tower_n be_v precise_o in_o the_o apparent_a level_n this_o be_v about_o noon_n in_o a_o very_a serene_a time_n some_o day_n after_o at_o the_o same_o hour_n the_o height_n of_o the_o tower_n of_o nostre_fw-fr dame_n observe_v from_o the_o foot_n of_o the_o tower_n of_o montleherie_n appear_v below_o the_o level_n line_n 11′_n 30″_n whereas_o conformable_a to_o the_o distance_n of_o 12796_o toyse_n which_o there_o be_v between_o these_o two_o place_n this_o angle_n ought_v to_o have_v be_v 13′_n 30″_n whence_o it_o appear_v that_o it_o have_v two_o minute_n of_o refraction_n in_o the_o whole_a this_o experiment_n show_v what_o exactness_n one_o may_v expect_v from_o those_o who_o after_o maurolicus_n pretend_v to_o have_v find_v the_o magnitude_n of_o the_o earth_n by_o mean_n of_o the_o apparent_a level_n they_o suppose_v that_o for_o this_o purpose_n one_o shall_v choose_v a_o very_a high_a mountain_n near_o the_o sea_n shore_n and_o have_v measure_v the_o height_n of_o this_o mountain_n one_o try_v upon_o the_o sea_n at_o what_o distance_n the_o top_n of_o it_o can_v be_v see_v but_o the_o refraction_n which_o be_v yet_o great_a upon_o the_o sea_n than_o upon_o the_o land_n render_v this_o practice_n fallacious_a because_o they_o enable_v we_o to_o discover_v object_n at_o a_o much_o great_a distance_n than_o the_o convexity_n of_o the_o sea_n ought_v to_o permit_v and_o by_o consequence_n make_v the_o earth_n appear_v much_o great_a than_o in_o effect_n it_o be_v article_n xiii_o it_o remain_v now_o to_o examine_v the_o diâ—…fering_a opinion_n touch_v the_o magnitude_n of_o the_o earth_n and_o because_o we_o can_v say_v nothing_o of_o the_o ancient_n but_o by_o conjecture_n we_o shall_v begin_v with_o fernelius_n who_o as_o we_o say_v at_o the_o 1._o beginning_n have_v estimate_v a_o degree_n to_o contain_v 56746_o toyse_n it_o be_v without_o doubt_n surprise_v that_o by_o a_o manner_n so_o gross_a as_o he_o be_v he_o have_v approach_v so_o near_o to_o that_o measure_n which_o we_o have_v conclude_v on_o from_o so_o many_o observation_n the_o place_n which_o he_o take_v to_o be_v the_o bind_v of_o the_o degree_n he_o have_v undertake_v to_o measure_n be_v find_v by_o report_n of_o the_o people_n of_o the_o place_n as_o he_o himself_o say_v at_o twenty_o five_o league_n of_o paris_n whence_o he_o set_v forth_o and_o beside_o this_o can_v not_o be_v far_o out_o of_o the_o road_n from_o paris_n to_o amiens_n because_o these_o two_o city_n be_v very_o near_o under_o the_o same_o meridian_n and_o that_o he_o must_v have_v go_v direct_o towards_o the_o north_n they_o common_o account_v 28_o league_n distance_n between_o