Animal locomotion, or Walking, swimming, and flying, with a dissertation on aëronautics (1874)
Pettigrew, James Bell, 1834-1908 · New York, D. Appleton & company · leaf 114
yiG. 44.—The Turtle {Chelonia imbricaia)^ adapted for swimming? and diving,the extremities being- relatively larger than in the seal, sea-bear, and wal-rus. The anterior extremities have a thick anterior margin and a thinposterior one, and in this respect resemble wings. Compare with figs. 36and… … Fig. 45. —The Crested Newt (Triton cristatv.s, Laur.) In the newt a tail issuperadded to the extremities, the tail and the extremities both acting inswimming. —Orijinal. extremities likewise move by turns. As, moreover, the rightanterior and left posterior extremities move together, and…
Animal locomotion · Aeronautics
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