. Animal coloration; an account of the principal facts and theories relating to the colours and markings of animals. Animals. '* AXDIAL COLOKATION. ure offered hy the raveu oa the one liaiiJ and the Arctic fox on the other ; it does undergo a certain amount of change at the beginning of winter, becoming not white, but greyer. .Sometimes closely allied forms show a diifereuce in their susceptibility to these climatic changes. One species of hare turns white in the winter, another does not. The Hudson's Bay lemming (C'uniculus torquatus) under- goes the change of colour, Imt its near relation th
. Animal coloration; an account of the principal facts and theories relating to the colours and markings of animals. Animals. '* AXDIAL COLOKATION. ure offered hy the raveu oa the one liaiiJ and the Arctic fox on the other ; it does undergo a certain amount of change at the beginning of winter, becoming not white, but greyer. .Sometimes closely allied forms show a diifereuce in their susceptibility to these climatic changes. One species of hare turns white in the winter, another does not. The Hudson's Bay lemming (C'uniculus torquatus) under- goes the change of colour, Imt its near relation the Scan-. Fig. 1. -Arctic Fnx. dinavian lemming { lemmas) does uot undergo this change. The principal animals which change to white in winter, in addition to those already referred to, are the ptarmigan, the American hare {Lepus amencamis), the ermine and stoat. Witli regard to the Arctic fox (Cams hcfopns) it has been stated* that this animal does not alter its colour according to the season, and that the change is merely a ^iuestion of age and sex ; only the old males are white, and Trouessart," Xr( dcognipln,' Zoologiqiir;' Paris, 1800, p. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Beddard, Frank E. (Frank Evers), 1858-1925. London, S. Sonnenschein; New York, Macmillan
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectanimals, bookyear1892
