Animal Locomotion: Or, Walking, Swimming and Flying, with a Dissertation on AëronauticsD. Appleton, 1893 - 264 páginas |
Dentro del libro
Resultados 1-5 de 15
Página 6
... hind 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 ...
... hind 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 11
... hind 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 ...
... hind 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 ...
Página 37
... hind 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 . u ) and posterior ( r , s ) extremities form ...
... hind 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 . u ) and posterior ( r , s ) extremities form ...
Página 39
... hind foot of the one side and the middle one of the opposite side move together to make one step , the three ... hind legs ; so that it walks with the fore legs , and leaps with the hind ones . and man . In the horse , as in all ...
... hind foot of the one side and the middle one of the opposite side move together to make one step , the three ... hind legs ; so that it walks with the fore legs , and leaps with the hind ones . and man . In the horse , as in all ...
Página 40
... hind foot , then the right fore foot , and lastly the left or diagonal hind foot . There is therefore a twisting of the body and spiral overlapping of the extremities of the horse in the act of walking , in all respects analogous to ...
... hind foot , then the right fore foot , and lastly the left or diagonal hind foot . There is therefore a twisting of the body and spiral overlapping of the extremities of the horse in the act of walking , in all respects analogous to ...
Contenido
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Términos y frases comunes
action aërial albatross angle animal arms and legs arrangement artificial wave artificial wing ascends backwards bat and bird biped blades body bones Borelli Compare with fig concave 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 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 pectoral fins pinion porpoise portion position posterior extremities posterior margin posterior or thin produced quadruped rapidity remarkable resistance reverse right arm root rotation sail screw sea-bear shoulder-joint side speed spiral swimming tail thick margin travelling surfaces trunk twisting universal joint upward direction upwards and forwards velocity vertical vertical direction vibrate walking waved track weight wing descends