Animal Locomotion: Or, Walking, Swimming and Flying, with a Dissertation on AëronauticsD. Appleton, 1893 - 264 páginas |
Dentro del libro
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Página 10
... carry- ing the limbs forward.1 In the swimming of the fish , the body is thrown into double or figure - of - 8 curves , as in the walking of the biped . The twist- ing of the body , and the continuity of movement which that twisting ...
... carry- ing the limbs forward.1 In the swimming of the fish , the body is thrown into double or figure - of - 8 curves , as in the walking of the biped . The twist- ing of the body , and the continuity of movement which that twisting ...
Página 41
... carried to its destined place , the hind alighting midway . All the feet passing over equal distances and keep- ing the same time , no interference of the one with the other b S a u r FIG . 20. Horse in the act of trotting . In this ...
... carried to its destined place , the hind alighting midway . All the feet passing over equal distances and keep- ing the same time , no interference of the one with the other b S a u r FIG . 20. Horse in the act of trotting . In this ...
Página 43
... carried from the place where it was lifted to that where it alighted . The diagrams are reproduced at figures 21 , 22 , and 23. In figure 23 I have added a continuous waved line to indicate the alternating movements of the extremities ...
... carried from the place where it was lifted to that where it alighted . The diagrams are reproduced at figures 21 , 22 , and 23. In figure 23 I have added a continuous waved line to indicate the alternating movements of the extremities ...
Página 44
... carrying forward and planting the limbs at greater relative distances in the trot than in the rapid walk , and in the gallop than in the trot . I have chosen to speak of the near hind and near fore feet , but similar remarks may of ...
... carrying forward and planting the limbs at greater relative distances in the trot than in the rapid walk , and in the gallop than in the trot . I have chosen to speak of the near hind and near fore feet , but similar remarks may of ...
Página 49
... carry forward by a mechanical adaptation a certain proportion of the mass of the bird already in motion . The elevating and propelling power of even diminutive inclined planes is very considerable , when carried along at a high speed in ...
... carry forward by a mechanical adaptation a certain proportion of the mass of the bird already in motion . The elevating and propelling power of even diminutive inclined planes is very considerable , when carried along at a high speed in ...
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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