Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsH. S. King & Company, 1873 - 264 páginas |
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Página 32
... angles , an arrest of the intersection , as it appears to me , giving rise to the myocommas and to that concentric arrange- ment of their constituent parts so evident on transverse section . This tendency of the muscular fibres to cross ...
... angles , an arrest of the intersection , as it appears to me , giving rise to the myocommas and to that concentric arrange- ment of their constituent parts so evident on transverse section . This tendency of the muscular fibres to cross ...
Página 40
... angles ; the angles diminishing as the speed increases . Thus the angles formed by the bones of the extremities with each other and with the scapulae and iliac bones , are less in the horse than in the elephant . For the same reason ...
... angles ; the angles diminishing as the speed increases . Thus the angles formed by the bones of the extremities with each other and with the scapulae and iliac bones , are less in the horse than in the elephant . For the same reason ...
Página 46
... angles made by the several bones of the legs are compara- tively small ; smaller in fact than in either the horse or deer . The feet of the ostrich , like those of the horse and deer , are reduced to a minimum as regards size ; so that ...
... angles made by the several bones of the legs are compara- tively small ; smaller in fact than in either the horse or deer . The feet of the ostrich , like those of the horse and deer , are reduced to a minimum as regards size ; so that ...
Página 47
... angles which any two bones make at their point of junction . a Angle made by femur with ilium . b Angle made by tibia and fibula with femur . c Angle made by tarso- metatarsal bone with tibia and fibula . d Angle made by bones of foot ...
... angles which any two bones make at their point of junction . a Angle made by femur with ilium . b Angle made by tibia and fibula with femur . c Angle made by tarso- metatarsal bone with tibia and fibula . d Angle made by bones of foot ...
Página 48
... angles which the bones of the wing make with each other , are still less than the angles made by the bones of the leg . This is just what we would a priori expect , as the velocity with which wings are moved greatly exceeds that with ...
... angles which the bones of the wing make with each other , are still less than the angles made by the bones of the leg . This is just what we would a priori expect , as the velocity with which wings are moved greatly exceeds that with ...
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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