Animal locomotion or walking, swimming, and flying : with a dissertation on aëronautics (1873)
Pettigrew, James Bell, 1834-1908 · London : Henry S. King & Co. · leaf 164
wards, the posterioror thin margin describing a similar but opposite course fromabove downwards. These conditions, I need scarcely observe,are reversed during flexion. The movements of the marginsduring flexion and extension may be represented with a con-siderable degree of accuracy by a…
Animal locomotion · Physiology · Aeronautics
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