Animal locomotion, or Walking, swimming, and flying, with a dissertation on aëronautics (1874)
Pettigrew, James Bell, 1834-1908 · New York, D. Appleton & company · leaf 60
and vice versd, as the movements of theauk and seal in and out of the water amply testify., In addition to those land animals which run and swim,there are some which precipitate themselves, parachute-fashion, from immense heights, and others which even fly.In these the membranous expansions are… … Fig. 15. Fig. 16. Fig. 15.—The Ked-throated Dragon (Draco TifEmatopogon, Gray) shows a largemembranous expansion (b h) situated between the anterior (d d) and pos-terior extremities, and supported by the ribs. The dragon by this arrange-ment can take extensive leaps with perfect safety.—Ongfma?.…
Animal locomotion · Aeronautics
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