Animal locomotion or walking, swimming, and flying : with a dissertation on aëronautics (1873)
Pettigrew, James Bell, 1834-1908 · London : Henry S. King & Co. · leaf 162
Fig. 65. Fig. 66. Fig. 64 shows left wing (a, b) of wasp in the act of twisting upon itself, the tipof the wing describing a figure-of-S track (a, c, b). From nature.— hri Figs. 65 and 66 show right wing of blue-bottle rlv rotating on its anteriormargin, and twisting to form double or figure-of-S…
Animal locomotion · Physiology · Aeronautics
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