Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsH. S. King & Company, 1873 - 264 стор. |
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Сторінка viii
... flexed and partly elevated by the action of elastic ligaments ; the nature and position of said ligaments in the Pheasant , Snipe , Crested Crane , Swan , etc. , 190 191 The elastic ligaments more highly differentiated in wings which ...
... flexed and partly elevated by the action of elastic ligaments ; the nature and position of said ligaments in the Pheasant , Snipe , Crested Crane , Swan , etc. , 190 191 The elastic ligaments more highly differentiated in wings which ...
Сторінка xii
... flexed and the other extended , Blur or impression produced on the eye by the rapidly oscillat- ing wing of the insect , 138 139 • Diagram in which the down and up strokes of the wing of the insect are analysed , • Diagrams illustrating ...
... flexed and the other extended , Blur or impression produced on the eye by the rapidly oscillat- ing wing of the insect , 138 139 • Diagram in which the down and up strokes of the wing of the insect are analysed , • Diagrams illustrating ...
Сторінка 25
... flexed upon the arm . As a consequence , the long axes of the sarcous elements or ultimate particles of the biceps ( i ) are arranged in a more or less horizontal direction ; the long axes of the sarcous elements of the triceps ( j ) ...
... flexed upon the arm . As a consequence , the long axes of the sarcous elements or ultimate particles of the biceps ( i ) are arranged in a more or less horizontal direction ; the long axes of the sarcous elements of the triceps ( j ) ...
Сторінка 49
... flexed and elevated , it swings forward pendulum- fashion , and describes a curve whose convexity is directed towards the right side . When the left leg is flexed and elevated , it swings forward and describes a curve whose con- vexity ...
... flexed and elevated , it swings forward pendulum- fashion , and describes a curve whose convexity is directed towards the right side . When the left leg is flexed and elevated , it swings forward and describes a curve whose con- vexity ...
Сторінка 50
... flexed , elevated , and advanced , it in like manner rotates upon the trunk , sup- ported in this instance by the extended right leg . The leg which is on the ground for the time being supplies the neces- sary lever , the ground the ...
... flexed , elevated , and advanced , it in like manner rotates upon the trunk , sup- ported in this instance by the extended right leg . The leg which is on the ground for the time being supplies the neces- sary lever , the ground the ...
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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 albatross angle animals arms and legs arrangement artificial wave artificial wing ascends backwards ball-and-socket joint bat and bird biped blades body bones Borelli Compare with fig concave convex Crown 8vo depressed described downward dugong 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 ostrich pectoral fins pinion porpoise portion position posterior margin posterior or thin produced quadruped rapid remarkable resistance right arm root rotation sail screw sea-bear shoulder-joint side speed spiral swimming tail thick margin tion travelling surfaces trunk twisting universal joint upward direction upwards and forwards velocity vertical vibrate walking waved track weight wing descends
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