Animal locomotion or walking, swimming, and flying : with a dissertation on aëronautics (1873)
Pettigrew, James Bell, 1834-1908 · London : Henry S. King & Co. · leaf 57
latter in the extremities them-selves), enable the animal to present, when necessary, an exten-sive resisting surface the one instant, and a greatly diminishedand a comparatively non-resisting one the next. This arrange-ment secures the subtlety and nicety of motion demanded bythe several media at… … Fig. 10, Fig. 14. Fig. 10.—Extreme form of compressed foot, as seen in the deer, ox, etc.,adapted specially for land transit.—Original. Fig. 11.—Extreme form of expanded foot, as seen in the Oriiithorhyiichus,etc., adapted more particularly for swimming.— Original. Figs. 12 and 13.—Intermediate…
Animal locomotion · Physiology · Aeronautics
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