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- W4231465489 abstract "LONDON. Entomological Society, April 13.—Mr. Henry John Elwes, Vice-President, in the chair.—Mr. R. McLachlan, F.R.S., exhibited specimens of a Caddis-fly remarkable for the abbreviated wings of the male, the female having fully developed wings. He alluded to the Perlidœ as including species in which the males were frequently semi-apterous. Dr. Sharp, F.R.S., inquired if Mr. McLachlan was aware of any order of insects, except the Neuroptera, in which the organs of flight were less developed in the male than in the female. Mr. C. G Barrett and Mr. H. J. Elwes cited instances amongst the Bombycidœ in which the wings of the male were inferior in size and development to those of the female.—Dr. Sharp exhibited specimens of both sexes of an apparently nondescript Phasmid insect allied to Orobia, obtained by Mr. J. J. Lister in the Seychelles Islands, together with Phyllium gelonus. He also exhibited specimens of both sexes of an insect remarkable for its great general resemblance to the Phasmidœ, though without resemblance, so far as is known, to any particular species. In reference to the Phyllium, Dr. Sharp called attention to the fact that the similarity of appearance of parts of their organization to portions of the vegetable kingdom was accompanied by a similarity, amounting almost to identity, of minute structure. He said that it had been stated that the colouring-matter is indistinguishable from chlorophyll, and that Mr. Lister had informed him that when in want of food a specimen of the Phyllium would eat portions of the foliaceous expansions of its fellows, although the Phasmidæ are phytophagous insects. The resemblance to vegetable products reached its maximum of development in the egg; and M. Henneguy had observed that when sections of the external envelope of the egg of Phyllium are placed under the microscope no competent botanist would hesitate to pronounce them to belong to the vegetable kingdom.— Mr. Barrett exhibited, for Major J. N. Still, a specimen of Notodonta bicolora, which had been captured in a wood near Exeter. Major Still had stated that the captor of the specimen was unaware of the great rarity of the species. Mr. Barrett also exhibited, for Mr. Sydney Webb, some remarkable varieties of Argynnis adippe and Cœnonympha pamphilus; also two specimens of Apatura iris, and two of Limenitis sybilla in which the white bands were entirely absent.—The Hon. Walter Rothschild exhibited, and contributed preliminary notes on, some hundreds of Lepidoptera, representative of a collection of about 5000 specimens recently made by Mr. W. Doherty, in the south-west of Celebes. Many of the species were new, and others very rare. Mr. Elwes, Colonel Swinhoe, and Mr. S. Stevens commented on the interesting nature of this collection.—Mr. E. B. Poulton, F.R.S., gave a lecture “On the Denudation of the Scales in cerrain Species of Lepidoptera,” and illustrated it by a large number of photographs shown by means of the oxy-hydrogen lantern. Mr. G. F. Hampson, Mr. Elwes, and Mr. Poulton took part in the discussion which ensued." @default.
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- W4231465489 date "1892-04-01" @default.
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- W4231465489 title "Societies and Academies" @default.
- W4231465489 doi "https://doi.org/10.1038/045623a0" @default.
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