The Voyage of the Beagle by Charles Darwin
page 56 of 731 (07%)
page 56 of 731 (07%)
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by a symmetrical mesh-work; so that the net, instead of being,
as is generally the case, circular, consisted of a wedge-shaped segment. All the webs were similarly constructed. [1] Venda, the Portuguese name for an inn. [2] Annales des Sciences Naturelles for 1833. [3] I have described and named these species in the Annals of Nat. Hist., vol. xiv. p. 241. [4] I am greatly indebted to Mr. Waterhouse for his kindness in naming for me this and many other insects, and giving me much valuable assistance. [5] Kirby's Entomology, vol. ii. p. 317. [6] Mr. Doubleday has lately described (before the Entomological Society, March 3rd, 1845) a peculiar structure in the wings of this butterfly, which seems to be the means of its making its noise. He says, "It is remarkable for having a sort of drum at the base of the fore wings, between the costal nervure and the subcostal. These two nervures, moreover, have a peculiar screw-like diaphragm or vessel in the interior." I find in Langsdorff's travels (in the years 1803-7, p. 74) it is said, that in the island of St. Catherine's on the coast of Brazil, a butterfly called Februa Hoffmanseggi, makes a noise, when flying away, like a rattle. [7] I may mention, as a common instance of one day's (June 23rd) |
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