Animal locomotion or walking, swimming, and flying : with a dissertation on aëronautics (1873)
Pettigrew, James Bell, 1834-1908 · London : Henry S. King & Co. · leaf 194
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,… … Fig. 90. Pig. 89.—The Centaur Beetle Augus&ma eentaurus), 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 (e) transversely across the back beneath the elytra during…
Animal locomotion · Physiology · Aeronautics
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