Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsH. S. King & Company, 1873 - 264 páginas |
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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 τι 7 a 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 τι 7 a 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 ...
Otras ediciones - Ver todas
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 animals arms and legs arrangement artificial wave artificial wing ascends axes backwards bat and bird beetle biting surface blades body bones Borelli Compare with fig concave convex coracoid Crown 8vo depressed described downward dugong elastic ligaments elbow-joint elevating and propelling ellipse elytra extension extremities feet fins fish flexed flexible flexion flight flying foot gannet horizontal direction humerus inclined planes increased insect insect wing joint kite less lever limbs long axis manner Marey membranous motion move movements muscles muscular natural wing nervures oblique oscillate pectoral fins pinion porpoise portions position posterior margin posterior or thin primary produced quadruped rapid reciprocating Red-legged Partridge remarkable resistance root rotating scapula screw secondary feathers shoulder-joint side spiral swimming tail thick margin tion trunk twisting universal joint upward direction upwards and forwards velocity vertical vertical direction vibrate walking wave wing waved track weight wing descends
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