Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsD. Appleton, 1885 - 264 páginas |
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Página 10
... portions of the moving mass could not be utilized . As the momentum acquired by animals in walking , swimming , and flying forms an important factor in those movements , it is necessary that we should have a just conception of the value ...
... portions of the moving mass could not be utilized . As the momentum acquired by animals in walking , swimming , and flying forms an important factor in those movements , it is necessary that we should have a just conception of the value ...
Página 11
... portions of its body ( supposing it to be a short- bodied fish ) form curves , the convexities of which are directed ... portion of the timbers , etc. , of one of Her Majesty's ships , having tho extremity of the biped or the tail of the ...
... portions of its body ( supposing it to be a short- bodied fish ) form curves , the convexities of which are directed ... portion of the timbers , etc. , of one of Her Majesty's ships , having tho extremity of the biped or the tail of the ...
Página 20
... of these portions of the lever respectively . Similarly , in the second AF order P. AF W. BF + AF . and in the third order " 2 BF P. AFW . BF + BF . - 2 In this outline of the theory of the lever , 20 ANIMAL LOCOMOTION .
... of these portions of the lever respectively . Similarly , in the second AF order P. AF W. BF + AF . and in the third order " 2 BF P. AFW . BF + BF . - 2 In this outline of the theory of the lever , 20 ANIMAL LOCOMOTION .
Página 22
... portions of the muscular system , it must never be forgotten that the earth , water , or air form fulcra for the travelling surfaces of animals as a whole . Two sets of fulcra are therefore always to be considered , viz . those ...
... portions of the muscular system , it must never be forgotten that the earth , water , or air form fulcra for the travelling surfaces of animals as a whole . Two sets of fulcra are therefore always to be considered , viz . those ...
Página 28
... Portion of right ventricular cavity ; b , base of left ventricular cavity ; x , y , spiral grooves occupied by the spiral musculi papillares ; jq , spiral ridges projecting between the musculi papillares . Compare with Figs . 6 and 7 ...
... Portion of right ventricular cavity ; b , base of left ventricular cavity ; x , y , spiral grooves occupied by the spiral musculi papillares ; jq , spiral ridges projecting between the musculi papillares . Compare with Figs . 6 and 7 ...
Outras edições - Ver tudo
Animal Locomotion: Or Walking, Swimming, and Flying, with a Dissertation on ... James Bell Pettigrew Visualização integral - 1882 |
Animal Locomotion, Or, Walking, Swimming, and Flying: With a Dissertation on ... James Bell Pettigrew Visualização integral - 1874 |
Animal Locomotion: Or, Walking, Swimming and Flying, with a Dissertation on ... James Bell Pettigrew Visualização integral - 1893 |
Palavras e frases frequentes
action aërial albatross angle animals arms and legs arrangement artificial wave artificial wing ascends backwards bat and bird biped blades body bones Borelli Compare with fig concave convex depressed described downward dugong effective stroke elastic ligaments elbow-joint elevating and propelling ellipse elytra extended feet fins fish flexed flexible flexion flight flying foot force gannet glide horizontal direction humerus inclined planes increased insect insect wing joint kite less levers limbs locomotion long axis manner Marey motion move movements muscles muscular muscular system natural wing nervures oblique oscillate pectoral pectoral fins pinion porpoise portion position posterior margin posterior or thin produced quadruped rapidity remarkable resistance reverse root rotation sail screw sea-bear shoulder-joint side speed spiral swimming tail thick margin tion travelling surfaces trunk twisting universal joint upward direction upwards and forwards velocity vertical vertical direction vibrate walking waved track weight wing descends