Animal Locomotion: Or, Walking, Swimming and Flying, with a Dissertation on AëronauticsD. Appleton, 1893 - 264 páginas |
Dentro del libro
Resultados 1-5 de 18
Página 10
... arms as well as in the 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 ...
... arms as well as in the 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 ...
Página 20
... arms and legs of animals . To include the weight of the lever we have the following equations P. AF + AF . 1⁄2 AF = W. BF + BF . 1⁄2 BF ; in the first order , where AF and BF represent the weights of these portions of the lever ...
... arms and legs of animals . To include the weight of the lever we have the following equations P. AF + AF . 1⁄2 AF = W. BF + BF . 1⁄2 BF ; in the first order , where AF and BF represent the weights of these portions of the lever ...
Página 38
... arms of the cuttle - fish . The movements of the extremities in land animals vary considerably . In the kangaroo and ... legs and pig . As a consequence these animals descend declivities with 38 ANIMAL LOCOMOTION .
... arms of the cuttle - fish . The movements of the extremities in land animals vary considerably . In the kangaroo and ... legs and pig . As a consequence these animals descend declivities with 38 ANIMAL LOCOMOTION .
Página 39
... leg ( t ) and right arm ( u ) , which likewise ad- vance together to form a second step . The continuous line ( r , t ) gives the waved track made by the legs ; the interrupted line ( s , u ) that made by the arms . The curves made by the ...
... leg ( t ) and right arm ( u ) , which likewise ad- vance together to form a second step . The continuous line ( r , t ) gives the waved track made by the legs ; the interrupted line ( s , u ) that made by the arms . The curves made by the ...
Página 49
... arms and carrying them on a level with their chest ( fig . 28 , p . 62 ) . It would seem that in rapid running there ... legs . In running the neck is stretched , the body inclined forward , and the legs moved alternately and with great ...
... arms and carrying them on a level with their chest ( fig . 28 , p . 62 ) . It would seem that in rapid running there ... legs . In running the neck is stretched , the body inclined forward , and the legs moved alternately and with great ...
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