Animal locomotion, or Walking, swimming, and flying, with a dissertation on aëronautics (1874)
Pettigrew, James Bell, 1834-1908 · New York, D. Appleton & company · leaf 196
rasshoppers. They are activelyengaged in this function in the dragon-flies and butterflies.The elytra or anterior wings are frequently employed as sus-tainers or gliders in flight,^ the posterior wings acting more 1 That the olytra take part in flight is proved by this, that when theyare removed,… … Fig. 90. Fig. 89.—the Centaur Beetle {Augusoma centaurus), seen from above. Showselytra {r) and membranous wings {e) in the extended state. The nervuresare arrang-ed and jointed in such a manner that the membranous wings canbe folded (,e) transversely across the back beneath the elytra during…
Animal locomotion · Aeronautics
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![An illustration from Episodes of insect life / by Acheta Domestica, [pseud.] ;edited and revised by J.G. Wood. (1879)](https://img.insideoutlibrary.com/img/200/wellcome-wellcome_b28066340-184-1.webp)
![An illustration from Episodes of insect life / by Acheta Domestica, [pseud.] ;edited and revised by J.G. Wood. (1879)](https://img.insideoutlibrary.com/img/200/wellcome-wellcome_b28066340-350-1.webp)
