Animal Locomotion: Or, Walking, Swimming and Flying, with a Dissertation on AëronauticsD. Appleton, 1893 - 264 páginas |
Dentro del libro
Resultados 1-5 de 55
Página vii
... horizontal flight , 103 · 110 • 112 in flight , How balancing is effected in flight , The wing area variable and in excess , Weight , momentum and power to a certain extent synonymous · Air - cells in insects and birds not necessary to ...
... horizontal flight , 103 · 110 • 112 in flight , How balancing is effected in flight , The wing area variable and in excess , Weight , momentum and power to a certain extent synonymous · Air - cells in insects and birds not necessary to ...
Página xii
... horizontal track , Feathers and cork flying forward , 91 94 96 97 97 98 • 105 107 108 · 112 Diagram illustrating how wings obtain their high speed , Butterfly with large wings , 120 • 124 · Beetle with small wings , 125 • Partridge with ...
... horizontal track , Feathers and cork flying forward , 91 94 96 97 97 98 • 105 107 108 · 112 Diagram illustrating how wings obtain their high speed , Butterfly with large wings , 120 • 124 · Beetle with small wings , 125 • Partridge with ...
Página 6
... horizontal burrows which they form in the banks . Although resembling the perfect insect in several respects , they differ materially in having longer antennæ , in wanting ocelli , and in possessing horn - like mandibles ; the abdomen ...
... horizontal burrows which they form in the banks . Although resembling the perfect insect in several respects , they differ materially in having longer antennæ , in wanting ocelli , and in possessing horn - like mandibles ; the abdomen ...
Página 15
... " - Transactions of the Linnean Society , vol . xxvi . 3 " On the Physiology of Wings . " - Transactions of the Royal Society of Edinburgh , vol . xxvi . a high speed in a horizontal direction , describes a INTRODUCTION . 15.
... " - Transactions of the Linnean Society , vol . xxvi . 3 " On the Physiology of Wings . " - Transactions of the Royal Society of Edinburgh , vol . xxvi . a high speed in a horizontal direction , describes a INTRODUCTION . 15.
Página 16
... horizontal direction , describes a looped and then a waved track , from the fact that the figure of 8 is gradually opened out or unravelled as the animal advances . That the wing acts after the manner of a kite , both during the down ...
... horizontal direction , describes a looped and then a waved track , from the fact that the figure of 8 is gradually opened out or unravelled as the animal advances . That the wing acts after the manner of a kite , both during the down ...
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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