Animal locomotion or walking, swimming, and flying : with a dissertation on aëronautics (1873)
Pettigrew, James Bell, 1834-1908 · London : Henry S. King & Co. · leaf 227
um whichthey acquire during their descent materially aiding themin their subaqueous flight. They emerge from the waterand are again upon the wing before the eddies occasionedby their precipitous descent have well subsided, in some casesrising apparently without effort, and in others running… … Fig. 107.—The Red-headed Pochard (Fuligula ferina, Linn.) in the act of drop-ping upon the water; the head and body being inclined upwards and for-wards, the feet expanded, and the wings delivering vigorous short strokesin a downward and forward direction.—Original. wheeling, gliding, and…
Animal locomotion · Physiology · Aeronautics
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