Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsH. S. King & Company, 1873 - 264 стор. |
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Сторінка xii
... Side swimming , Swimming of the Little Penguin , The wing a lever of the third order , The elliptical , looped , and spiral tracks made in swimming , The several attitudes assumed by the extremities in swimming in the prone position ...
... Side swimming , Swimming of the Little Penguin , The wing a lever of the third order , The elliptical , looped , and spiral tracks made in swimming , The several attitudes assumed by the extremities in swimming in the prone position ...
Сторінка 6
... side a row of plates , mostly in pairs , which are a kind of false branchiæ , and which are employed not only in respiration , but also as paddles . - Cuvier's Animal Kingdom , p . 576. London , 1840 . 2 Kirby and Spence observe that ...
... side a row of plates , mostly in pairs , which are a kind of false branchiæ , and which are employed not only in respiration , but also as paddles . - Cuvier's Animal Kingdom , p . 576. London , 1840 . 2 Kirby and Spence observe that ...
Сторінка 10
... side of a given line , the same holding true of the right and left arms . Walking is consequently to be regarded as the result of a twisting diagonal movement in the trunk and in the extremities . Without this movement , the momentum ...
... side of a given line , the same holding true of the right and left arms . Walking is consequently to be regarded as the result of a twisting diagonal movement in the trunk and in the extremities . Without this movement , the momentum ...
Сторінка 11
... side to side there is a tendency to produce a corresponding movement in the head , which is at once corrected by the complementary curve . Nor is this all ; the cephalic curve , in conjunction with the water contained within it , forms ...
... side to side there is a tendency to produce a corresponding movement in the head , which is at once corrected by the complementary curve . Nor is this all ; the cephalic curve , in conjunction with the water contained within it , forms ...
Сторінка 26
... side of a cycle shortens , the other side elongates . Muscles are therefore endowed with a centripetal and centrifugal action . These cycles are placed at every degree of obliquity and even at right angles to each other , but they are ...
... side of a cycle shortens , the other side elongates . Muscles are therefore endowed with a centripetal and centrifugal action . These cycles are placed at every degree of obliquity and even at right angles to each other , but they are ...
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Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on ... James Bell Pettigrew Попередній перегляд недоступний - 2016 |
Загальні терміни та фрази
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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