Animal locomotion or walking, swimming, and flying : with a dissertation on aëronautics (1873)
Pettigrew, James Bell, 1834-1908 · London : Henry S. King & Co. · leaf 186
behind the volantanimal—in other words, to elevating the wing preparatory toa second down stroke, as seen at g of the figures referred to(figs. 84 and 85). The ascent and descent of the wing isalways very much greater than that of the body, from the factof the pinion acting as a long lever. The… … Fig. 87. by the pinion. The part which the body performs in flight isindicated at fig. 87. At a the body is depressed, the wingbeing elevated and ready to make the down stroke at b. The 164 ANIMAL LOCOMOTION. wing descends in the direction c d, but the moment it beginsto descend the body moves…
Animal locomotion · Physiology · Aeronautics
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
