Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsD. Appleton, 1885 - 264 páginas |
No interior do livro
Resultados 1-5 de 50
Página 28
... FIG . 6. - Wing of bird . Shows how the bones of the arm ( a ) , forearm ( b ) , and hand ( c ) , are twisted , and form a conical screw . Compare with Figs 7 and 8. - Original . xc FIG . 7 . FIG . 8 . FIG . 7. - Anterior extremity of ...
... FIG . 6. - Wing of bird . Shows how the bones of the arm ( a ) , forearm ( b ) , and hand ( c ) , are twisted , and form a conical screw . Compare with Figs 7 and 8. - Original . xc FIG . 7 . FIG . 8 . FIG . 7. - Anterior extremity of ...
Página 36
... FIG . 17. - The Bat ( Phyllorhina gracilis , Peters ) . Here the travelling - surfaces ( r def , annn ) are enormously increased as compared with that of the land and water animals generally . Compare with figures from 10 to 14 , p . 34 ...
... FIG . 17. - The Bat ( Phyllorhina gracilis , Peters ) . Here the travelling - surfaces ( r def , annn ) are enormously increased as compared with that of the land and water animals generally . Compare with figures from 10 to 14 , p . 34 ...
Página 37
... Compare with fig . 19 , p . 39. - Original . In this there is a double purpose - the limited area pre- sented to the ground affording the animal sufficient support and leverage , and enabling it to disentangle its feet with the utmost ...
... Compare with fig . 19 , p . 39. - Original . In this there is a double purpose - the limited area pre- sented to the ground affording the animal sufficient support and leverage , and enabling it to disentangle its feet with the utmost ...
Página 39
... ( Compare figs . 6 , 7 , and 26 x , pp . 28 and 55 ; figs . 18 and 19 , pp . 37 and 39 ; figs . 32 and 50 , pp . 68 and 97 ; figs . 71 and 73 , p . 144 ; and fig . 81 , p . 157. ) Locomotion of the Horse . - As the limits of the present ...
... ( Compare figs . 6 , 7 , and 26 x , pp . 28 and 55 ; figs . 18 and 19 , pp . 37 and 39 ; figs . 32 and 50 , pp . 68 and 97 ; figs . 71 and 73 , p . 144 ; and fig . 81 , p . 157. ) Locomotion of the Horse . - As the limits of the present ...
Página 41
... FIG . 20. - Horse in the act of trotting . In this , as in all the other paces , the body of the horse is levered forward by ... Compare with figs . 18 and 19 , pp . 37 and 39.— Original . occurs , and each successive hind foot as it is ...
... FIG . 20. - Horse in the act of trotting . In this , as in all the other paces , the body of the horse is levered forward by ... Compare with figs . 18 and 19 , pp . 37 and 39.— Original . occurs , and each successive hind foot as it is ...
Outras edições - Ver tudo
Animal Locomotion: Or Walking, Swimming, and Flying, with a Dissertation on ... James Bell Pettigrew Visualização integral - 1882 |
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 albatross angle animals arms and legs arrangement artificial wave artificial wing ascends backwards bat and bird biped blades body bones Borelli Compare with fig concave convex depressed described downward dugong effective stroke elastic ligaments elbow-joint elevating and propelling ellipse elytra extended feet fins fish flexed flexible flexion flight flying foot force gannet glide horizontal direction humerus inclined planes increased insect insect wing joint kite less levers limbs locomotion long axis manner Marey motion move movements muscles muscular muscular system natural wing nervures oblique oscillate pectoral pectoral fins pinion porpoise portion position posterior margin posterior or thin produced quadruped rapidity remarkable resistance reverse 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 vertical direction vibrate walking waved track weight wing descends