Animal locomotion, or Walking, swimming, and flying, with a dissertation on aëronautics (1874)
Pettigrew, James Bell, 1834-1908 · New York, D. Appleton & company · leaf 208
. The discrepancy is OAvingto the great difficulty experienced in analysing animal move-ments, particularly when, as in the case of the wings, they areconsecutive and rapid. My own opinion is, that the wingsare flexed in flight, but that all wings are not flexed to thesame extent, and that what… … 184 ANIMAL LOCOMOTION. templated from before, behind, or from the side, the up anddown strokes of the pinion distract the attention and compli-cate the movement to such an extent as to render the observa-tion of little value. In watching rooks proceeding leisurelyagainst a slight breeze, I have…
Animal locomotion · Aeronautics
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