Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsH. S. King & Company, 1873 - 264 páginas |
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Página viii
... feathers , etc. , 180 • Flexion of the wing necessary to the flight of birds , The wing of the bird not always opened up to the same extent in the up stroke , 182 183 Consideration of the forces which propel the wings of insects ...
... feathers , etc. , 180 • Flexion of the wing necessary to the flight of birds , The wing of the bird not always opened up to the same extent in the up stroke , 182 183 Consideration of the forces which propel the wings of insects ...
Página xii
... Feathers and cork flying forward , 112 Diagram illustrating how wings obtain their high speed , 120 Butterfly with large wings , 124 Beetle with small wings , 125 Partridge with small wings ; Heron with large wings , The wings of the ...
... Feathers and cork flying forward , 112 Diagram illustrating how wings obtain their high speed , 120 Butterfly with large wings , 124 Beetle with small wings , 125 Partridge with small wings ; Heron with large wings , The wings of the ...
Página xiii
... feathers of the wing of the bird , The flight of the King - fisher , The flight of the Gull , The flight of the Owl , • The flight of the Albatross , Pigeon and Duck alighting , Hawk and quarry- ( The Graphic ) , The Vauxhall Balloon of ...
... feathers of the wing of the bird , The flight of the King - fisher , The flight of the Gull , The flight of the Owl , • The flight of the Albatross , Pigeon and Duck alighting , Hawk and quarry- ( The Graphic ) , The Vauxhall Balloon of ...
Página 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 ...
Página 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 ...
Outras edições - Ver tudo
Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on ... James Bell Pettigrew Visualização integral - 1873 |
Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on ... James Bell Pettigrew Visualização integral - 1883 |
Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on ... James Bell Pettigrew Pré-visualização indisponível - 2016 |
Palavras e frases frequentes
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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