Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsH. S. King & Company, 1873 - 264 páginas |
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Página vi
... legs move by the force of gravity . Resistance of fluids . Mechanical effects of fluids on animals immersed in them . Centre of gravity , • The three orders of lever , Passive organs of locomotion . Bones , Joints , Ligaments . Effects ...
... legs move by the force of gravity . Resistance of fluids . Mechanical effects of fluids on animals immersed in them . Centre of gravity , • The three orders of lever , Passive organs of locomotion . Bones , Joints , Ligaments . Effects ...
Página 6
... legs .-- ( Intro- duction to Entomology , 5th edit . , 1828 , p . 360. ) Nor should the remarkable discovery by Sir John Lubbock of a swimming insect ( Polynema natans ) , which uses its wings exclusively as fins , be overlooked ...
... legs .-- ( Intro- duction to Entomology , 5th edit . , 1828 , p . 360. ) Nor should the remarkable discovery by Sir John Lubbock of a swimming insect ( Polynema natans ) , which uses its wings exclusively as fins , be overlooked ...
Página 10
... legs , the right arm swinging before the body when the right leg swings behind it , and the converse . The right leg and left arm advance simultaneously , and alternate with the left leg and right arm , which likewise advance together ...
... legs , the right arm swinging before the body when the right leg swings behind it , and the converse . The right leg and left arm advance simultaneously , and alternate with the left leg and right arm , which likewise advance together ...
Página 12
... legs , the right arm swinging before the body when the right leg swings behind it , and the converse . The right leg and left arm advance simultaneously , and alternate with the left leg and right arm , which likewise advance together ...
... legs , the right arm swinging before the body when the right leg swings behind it , and the converse . The right leg and left arm advance simultaneously , and alternate with the left leg and right arm , which likewise advance together ...
Página 13
... legs are applied to the water by a sculling figure - of - 8 motion , in the same manner as the tail of the fish . Similar remarks might be made with regard to the swimming of the whale , dugong , manatee , and porpoise , sea mammals ...
... legs are applied to the water by a sculling figure - of - 8 motion , in the same manner as the tail of the fish . Similar remarks might be made with regard to the swimming of the whale , dugong , manatee , and porpoise , sea mammals ...
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Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on ... James Bell Pettigrew Sin vista previa disponible - 2016 |
Términos y frases comunes
action aërial albatross angle animals arms and legs arrangement artificial wave artificial wing ascends backwards ball-and-socket joint bat and bird biped blades body bones Borelli Compare with fig concave convex Crown 8vo depressed described downward dugong elastic ligaments elbow-joint elevating and propelling ellipse elytra extended feet fins fish flexed flexible flexion flight flying foot force gannet glide hind horizontal direction humerus inclined planes increased insect wing joint kite less lever limbs locomotion long axis manner Marey motion move movements muscles muscular muscular system natural wing nervures oblique oscillate ostrich pectoral fins pinion porpoise portion position posterior margin posterior or thin produced quadruped rapid remarkable resistance right arm 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 vibrate walking waved track weight wing descends
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