Animal Locomotion: Or Walking, Swimming, and Flying, with a Dissertation on AeronauticsD. Appleton, 1882 - 264 páginas |
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Página viii
... Elytra or wing cases and membranous wings ; their shape and uses , THE WINGS OF BATS . The bones of the wing of the bat ; the spiral configuration of their articular surfaces , THE WINGS OF BIRDS . 170 · 176 The bones of the wing of the ...
... Elytra or wing cases and membranous wings ; their shape and uses , THE WINGS OF BATS . The bones of the wing of the bat ; the spiral configuration of their articular surfaces , THE WINGS OF BIRDS . 170 · 176 The bones of the wing of the ...
Página 170
... Elytra or Wing - cases , Membranous Wings - their shape and uses . The wings of insects consist either of one or two pairs . When two pairs are present , they are divided into an ante- rior or upper pair , and a posterior or under pair ...
... Elytra or Wing - cases , Membranous Wings - their shape and uses . The wings of insects consist either of one or two pairs . When two pairs are present , they are divided into an ante- rior or upper pair , and a posterior or under pair ...
Página 171
... elytra are twisted upon themselves after the manner of wings . FIG . 89 . FIG . 90 . FIG . 89. the Centaur Beetle ( Augusoma centaurus ) , seen from above . Shows elytra ( r ) and membranous wings ( e ) in the extended state . The ...
... elytra are twisted upon themselves after the manner of wings . FIG . 89 . FIG . 90 . FIG . 89. the Centaur Beetle ( Augusoma centaurus ) , seen from above . Shows elytra ( r ) and membranous wings ( e ) in the extended state . The ...
Página 172
... elytra.1 In the locusts the nervures diverge from a common centre , after the manner of a fan , so that by their aid the wing is crushed up or expanded as required ; whilst in the dragon - fly , 1 The wings of the May - fly are folded ...
... elytra.1 In the locusts the nervures diverge from a common centre , after the manner of a fan , so that by their aid the wing is crushed up or expanded as required ; whilst in the dragon - fly , 1 The wings of the May - fly are folded ...
Página 261
... of bird - their articular surfaces , movements , etc. , Borelli's artificial bird , CHABRIER'S artificial wings , 252 247 242 24 17 118 210 190 205 12 21 28 , 29 176 · 178 220 233 ELYTRA or wing cases and membranous wings , FEATHERS , 178.
... of bird - their articular surfaces , movements , etc. , Borelli's artificial bird , CHABRIER'S artificial wings , 252 247 242 24 17 118 210 190 205 12 21 28 , 29 176 · 178 220 233 ELYTRA or wing cases and membranous wings , FEATHERS , 178.
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Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on ... James Bell Pettigrew Visualização integral - 1885 |
Animal Locomotion, Or, Walking, Swimming, and Flying: With a Dissertation on ... James Bell Pettigrew Visualização integral - 1874 |
Animal Locomotion: Or, Walking, Swimming and Flying, with a Dissertation on ... James Bell Pettigrew Visualização integral - 1893 |
Palavras e frases frequentes
action aërial animals arrangement artificial wave wing artificial wing ascends ball-and-socket joint bat and bird biped blades body bones Borelli Compare with fig concave dead points depressed described downward dugong elastic bands elastic ligaments elbow-joint elevating and propelling elytra extended feathers feet fish flexed flexion flight flying foot force fore gannet gliding gravity hind horizontal direction humerus inclined planes increased insect insect wing kite less lever limbs locomotion long axis machine manner Marey motion move movements muscles muscular muscular system natural wing oblique oscillate ostrich pectoral fins pinion piston porpoise portions position posterior margin posterior or thin produced quadruped rapidity remarkable resistance reverse rigid root rotation sail screw shoulder-joint side Sir George Cayley speed spiral superior band swimming tail thick margin tion trunk universal joint upward direction upwards and forwards velocity vertical vibrate walking waved track wedge weight wing descends