Animal Locomotion: Or, Walking, Swimming and Flying, with a Dissertation on AëronauticsD. Appleton, 1893 - 264 páginas |
Dentro del libro
Resultados 1-5 de 41
Página vii
... opposite curves during extension and flexion , 146 The tip of the bat and bird's wing describes an ellipse , ' The wing capable of change of form in all its parts , The wing during its vibration produces a cross pulsation , Compound ...
... opposite curves during extension and flexion , 146 The tip of the bat and bird's wing describes an ellipse , ' The wing capable of change of form in all its parts , The wing during its vibration produces a cross pulsation , Compound ...
Página viii
... opposite curves , . 166 167 168 THE WINGS OF INSECTS , Bats , and Birds . 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 ...
... opposite curves , . 166 167 168 THE WINGS OF INSECTS , Bats , and Birds . 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 ...
Página 11
... opposite sides of a given line , as is the case in the extremities of the biped when walking . The mass of the fish , like the mass of the biped , when once set in motion , contributes to progression by augmenting the rate of speed ...
... opposite sides of a given line , as is the case in the extremities of the biped when walking . The mass of the fish , like the mass of the biped , when once set in motion , contributes to progression by augmenting the rate of speed ...
Página 13
... opposite . A flying creature , when fairly launched in space ( because of the part which weight plays in flight , and the little resistance expe- rienced in forward motion ) , sweeps through the air with almost no exertion.1 This is ...
... opposite . A flying creature , when fairly launched in space ( because of the part which weight plays in flight , and the little resistance expe- rienced in forward motion ) , sweeps through the air with almost no exertion.1 This is ...
Página 14
... opposite curves into which the tail and wing are thrown in swimming and flying constituting the mobile helices , or screws , which , during their action , produce the precise kind and degree of pressure adapted to fluid media , and to ...
... opposite curves into which the tail and wing are thrown in swimming and flying constituting the mobile helices , or screws , which , during their action , produce the precise kind and degree of pressure adapted to fluid media , and to ...
Contenido
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Términos y frases comunes
action aërial albatross angle animal arms and legs arrangement artificial wave artificial wing ascends backwards bat and bird biped blades body bones Borelli Compare with fig concave 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 hind horizontal direction humerus inclined planes increased insect wing joint kite less lever limbs locomotion long axis manner Marey motion move movements muscles muscular muscular system natural wing nervures oblique oscillate pectoral fins pinion porpoise portion position posterior extremities posterior margin posterior or thin produced quadruped rapidity remarkable resistance reverse right arm root rotation sail screw sea-bear shoulder-joint side speed spiral swimming tail thick margin travelling surfaces trunk twisting universal joint upward direction upwards and forwards velocity vertical vertical direction vibrate walking waved track weight wing descends