Animal locomotion, or Walking, swimming, and flying, with a dissertation on aëronautics (1874)
Pettigrew, James Bell, 1834-1908 · New York, D. Appleton & company · leaf 228
it tilts its entire body (the neckand tail participating) in an upward direction (fig. 59,p. 126 ;fig. 102, p. 183); or it rises principally by the action of thewings and by muscular efforts, as happens in the lark. Thebird can in this manner likewise retain its position in theair, as may be… … Fig. 106.—The Pigeon (Treron hicincta, Jerclon>, flying downwards and turning- prior to alighting. The pigeon expands its tail both in ascending anddescending.—Ori<7i?mL (fig, 106); or it may flex the wings, and so accelerate itspace; or it may raise its wings and drop parachute-fashion(fig.…
Animal locomotion · Aeronautics
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