Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsD. Appleton, 1885 - 264 páginas |
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Página xii
... foot of the Grebe with swimming membrane— ( Dallas ) , Double waved track described by the feet of swimming birds ,. The flight of the Flying - fish , • The wing a lever of the third order , Figure - of - 8 vertical track made by the ...
... foot of the Grebe with swimming membrane— ( Dallas ) , Double waved track described by the feet of swimming birds ,. The flight of the Flying - fish , • The wing a lever of the third order , Figure - of - 8 vertical track made by the ...
Página 9
... foot of the extremity which happens to be upon the ground for the time forming the centre of a circle , the radius of which is described by the trunk in forward motion . In like manner the foot which is off the ground and swinging ...
... foot of the extremity which happens to be upon the ground for the time forming the centre of a circle , the radius of which is described by the trunk in forward motion . In like manner the foot which is off the ground and swinging ...
Página 28
... foot ( o ) , are twisted to form an osseous screw . Compare with Figs . 6 and 8. - Original . FIG . 8. - Cast or mould of the interior of the left ventricle of the heart of a deer . Shows that the left ventricular cavity is conical and ...
... foot ( o ) , are twisted to form an osseous screw . Compare with Figs . 6 and 8. - Original . FIG . 8. - Cast or mould of the interior of the left ventricle of the heart of a deer . Shows that the left ventricular cavity is conical and ...
Página 34
... foot , as seen in the otter ( fig . 12 ) , frog ( fig . 13 ) , etc. Here the foot is equally serviceable in and out of the water . - Original . FIG . 14. - Foot of the seal , which opens and closes in the act of natation , the organ ...
... foot , as seen in the otter ( fig . 12 ) , frog ( fig . 13 ) , etc. Here the foot is equally serviceable in and out of the water . - Original . FIG . 14. - Foot of the seal , which opens and closes in the act of natation , the organ ...
Página 37
... foot move together to form the waved line ( s , u ) ; the left fore and the right hind foot move together to form the waved line ( r , t ) . The curves formed by the anterior ( t . ) and posterior ( r , s ) extremities form ellipses ...
... foot move together to form the waved line ( s , u ) ; the left fore and the right hind foot move together to form the waved line ( r , t ) . The curves formed by the anterior ( t . ) and posterior ( r , s ) extremities form ellipses ...
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