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Alfred Russel Wallace : Alfred Wallace : A. R. Wallace :
Russel Wallace : Alfred Russell Wallace (sic)

Comment on the Rapidity of Adaptation in Insects
(S126b: 1867)

Editor Charles H. Smith's Note: Short comment offered in discussion of a paper by Mr. C. A. Wilson presented at the 4 February 1867 meeting of the Entomological Society of London. These comments later printed on page lxxiii of the Society's Journal of Proceedings series. To link directly to this page, connect with: http://people.wku.edu/charles.smith/wallace/S126B.htm

     Mr. A. R. Wallace remarked upon the rapidity with which the insects mentioned by Mr. Wilson had adapted their mode of life to the altered circumstances in which they found themselves placed; thirty years ago there was not a cow in South Australia, and yet members of three families of Coleoptera, so widely separated as the Paussidæ, Carabidæ and Copridæ, had already become habitual frequenters of cow-dung; and this was the more remarkable in the Calosoma, whose British congener was arboreal in its habits.

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