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
asshoppers. 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,1 the posterior wings acting more 1 That the elytra take part in flight is proved by this, that when theyare removed,… … Pro. 90. FIG. 89.—the Centaur Beetle (Augwoma centaurus), seen from above. Showselytra (r) and membranous wings (e) in the extended state. The nervuresare arranged and jointed in such a manner that the membranous wings canbe folded (t) transversely across the back beneath the elytra during…
Animal locomotion · Aeronautics
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