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 bicincta, Jerdon), flying downwards and turningprior to alighting. The pigeon expands its tail both in ascending anddescending. —Original. (fig. 106); or it may flex the wings, and so accelerate itspace; or it may raise its wings and drop parachute-fashion(fig. 55, p.…
Animal locomotion · Aeronautics
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
