Animal locomotion, or Walking, swimming, and flying, with a dissertation on aëronautics (1874)
Pettigrew, James Bell, 1834-1908 · New York : D. Appleton & company · leaf 169
o themore oblique stroke, are more horizontal than those made by 144 ANIMAL LOCOMOTION. the wing of the bat and bird. The principle is, however, inboth cases the same, tile loops ultimately terminating in awaved track. The impulse is communicated to the insectwing at the heavy parts of the loops a… … FIG. 73. insect being carried along the curve indicated by the dottedline. The impulse is communicated to the wing of the batand bird at the heavy part of the loops abcdefghijklmnoof fig. 73, the waved track being indicated at p s t u v w ofthis figure. When the horizontal speed attained is high,…
Animal locomotion · Aeronautics
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