Animal locomotion, or Walking, swimming, and flying, with a dissertation on aëronautics (1874)
Pettigrew, James Bell, 1834-1908 · New York, D. Appleton & company · leaf 90
IN THE WATER. 65 happens in the feathering of an oar. A very similar plan isadopted by the Pteropoda, found in countless multitudes inthe northern seas, which, according to Eschricht, use thewing-like structures situated near the head after the mannerof a double paddle, resembling in its general… … G. 29.—Skeleton of ths Perch {PercafluviatUis). Shows the jointed nature ofthe vertebral column, and the facilities afforded for lateral motion, particu-larly in the tail id), dorsal {e,f), ventral (b, c), and j^ectoral («), fins, whichare principally engaged in swimming. The extent of the…
Animal locomotion · Aeronautics
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