Animal locomotion or walking, swimming, and flying : with a dissertation on aëronautics (1873)
Pettigrew, James Bell, 1834-1908 · London : Henry S. King & Co. · leaf 199
sequently to the membrane or feathers which they bear,the precise angles necessary for flight. It, in fact, insuresthat the wing, and the curtain, sail, or fringe of the wingshall be screwed into and down upon the air in extension,and unscrewed or withdrawn from it during flexion. Thewing of the… … Fig. 96.—Right wing of the Red-legged Partridge (Perdix rubra), dorsalaspect. Shows extreme example of short rounded wing ; contrast with thewing of the albatross (tig. 62, p. 137), which furnishes an extreme exampleof the long ribbon-shaped wing ; d e f, anterior margin ; b a c, posteriorditto,…
Animal locomotion · Physiology · Aeronautics
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