Animal locomotion or walking, swimming, and flying : with a dissertation on aëronautics (1873)
Pettigrew, James Bell, 1834-1908 · London : Henry S. King & Co. · leaf 97
il and lower half of the trunk, the tail of the whaleexerting prodigious power. It is otherwise with the Bays, where the hands are princi- 1 Vide Remarks on the Swimming of the Cetaceans, by Dr. Murie,Proe. Zool. Soc, 1865, pp. 209, 210. 74 ANIMAL LOCOMOTION. pally concerned in progression, these… … r^WlML Fig 35 —Skeleton of the Dugong. In this curious mammal the anteriorextremities are more developed than in the manatee and porpoise, andresemble those found in the seal, sea-bear, and walrus. They are usefulin balancing and turning, the tail being the effective instrument of propul-sion The…
Animal locomotion · Physiology · Aeronautics
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