Animal locomotion, or Walking, swimming, and flying, with a dissertation on aëronautics (1874)
Pettigrew, James Bell, 1834-1908 · New York, D. Appleton & company · leaf 64
slightly ascending ground.In the giraffe the anterior extremities are longer and morepowerful, comparatively, than the posterior ones, which isjust the opposite condition to that found in the kangaroo. In the giraffe the legs of opposite sides move together andalternate, whereas in most quadrupeds… … Fig. 19.—Diagram showing the figure-of-8 or double-waved track produced bythe alternating of the extremities in man in walking and running; tlieright leg (r) and left arm (s) advancing simultaneously to form one step ;and alternating with the left leg {t) and right arm {u), which likewise ad-vance…
Animal locomotion · Aeronautics
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