Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsH.S. King & Company, 1874 - 264 стор. |
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Сторінка viii
... feathers , etc. , 180 • birds , The wing of the bird not always opened up to the same extent in the up stroke , · Flexion of the wing necessary to the flight of birds , Consideration of the forces which propel the wings of insects ...
... feathers , etc. , 180 • birds , The wing of the bird not always opened up to the same extent in the up stroke , · Flexion of the wing necessary to the flight of birds , Consideration of the forces which propel the wings of insects ...
Сторінка xii
... Feathers and cork flying forward , Sub - aquatic flight or diving , The feet of the Swan as seen in the open and closed condition , The foot of the Grebe with swimming membrane— ( Dallas ) , Double waved track described by the feet of ...
... Feathers and cork flying forward , Sub - aquatic flight or diving , The feet of the Swan as seen in the open and closed condition , The foot of the Grebe with swimming membrane— ( Dallas ) , Double waved track described by the feet of ...
Сторінка xiii
... feathers of the wing of the bird , The flight of the King - fisher , The flight of the Gull , . 181 183 186 The flight of the Owl , The flight of the Albatross , Pigeon and Duck alighting , Hawk and quarry- ( The Graphic ) , The ...
... feathers of the wing of the bird , The flight of the King - fisher , The flight of the Gull , . 181 183 186 The flight of the Owl , The flight of the Albatross , Pigeon and Duck alighting , Hawk and quarry- ( The Graphic ) , The ...
Сторінка 46
... feathers of their tails ; the legs and tail forming a firm basis of support . 2 In this order there are certain birds - the sparrows and thrushes , for example - which advance by a series of vigorous leaps ; the leaps being of an ...
... feathers of their tails ; the legs and tail forming a firm basis of support . 2 In this order there are certain birds - the sparrows and thrushes , for example - which advance by a series of vigorous leaps ; the leaps being of an ...
Сторінка 75
... feathers of the bird's wing ( these also open and close in flight ) are to the continuous membrane forming the wing of the insect and bat . The anterior extremities or flippers of the seal are not engaged in swimming , but only in ...
... feathers of the bird's wing ( these also open and close in flight ) are to the continuous membrane forming the wing of the insect and bat . The anterior extremities or flippers of the seal are not engaged in swimming , but only in ...
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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 body bones Borelli Compare with fig concave Cornhill Crown 8vo depressed described dugong Edition elastic ligaments elbow-joint elevating and propelling ellipse elytra extended feathers feet femur fins fish flexed flexible flexion flight flying foot fore hind horizontal direction humerus inclined planes increased insect wing joints kite less lever limbs locomotion long axis manner Marey membranous ments motion move movements muscles muscular muscular system natural wing oblique oscillate ostrich Paternoster Row pectoral fins pinion porpoise portion position posterior extremities posterior margin posterior or thin Price produced Prof quadruped rapid remarkable resistance root rotation screw sea-bear shoulder-joint side speed spiral swimming tail thick margin tion travelling surfaces trunk twisting upward direction upwards and forwards velocity vertical vibrate walking wave wing waved track weight
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