. Diseases and enemies of poultry . n referring to the Cross Fox, and theBlack or Silver Gray Fox, says: Dr. Coues regards the CrossFox as a special state of semi-melanium (melanism is the re-sult of an excess of dark coloring matter) of the Common variety, common in northern New York, and sometimesas far southw^ard as Pennsylvania and Ohio, receives its namefrom the presence of a black cross formed by a black bandalong the back crossed by another on the shoulder. It shadesby varying and almost insensible degrees into the Black orSilver Gray Fox. Complete, or nearly complete, melanism
. Diseases and enemies of poultry . n referring to the Cross Fox, and theBlack or Silver Gray Fox, says: Dr. Coues regards the CrossFox as a special state of semi-melanium (melanism is the re-sult of an excess of dark coloring matter) of the Common variety, common in northern New York, and sometimesas far southw^ard as Pennsylvania and Ohio, receives its namefrom the presence of a black cross formed by a black bandalong the back crossed by another on the shoulder. It shadesby varying and almost insensible degrees into the Black orSilver Gray Fox. Complete, or nearly complete, melanism distinguishes theBlack or Silver Gray Fox. » * » rpj^g color is a uni-form, lustrous black, with conspicuously white-tipped tail;more or less of the long hairs of the back and fianks, top andsides of head greyish, silvery at the end, giving a silvered ap-pearance to the pelage. The perfectly black pelts are found,chiefly, in high latitudes. Such pelts are very valuable. •Mammals of Ohio, p. 17, in Geolog. Survey of Ohio. 377 The prices of furs are always changing but those quoted Ina recent list of a New York fur exporter are;Red Fox (Northern Pa.), $1-50 to $ Fox (Western Pa.), $140 to $ Fox, (Penna.) .60c to .70c. Silver Fox (Eastern, Ca., and N. W.), $20 to $ Fox (Eastern, Ca. and N. W.), $ to $ While the Cross and Black or Silver Foxes are usually con-sidered different varieties, they are not such, in the classlfi-catory sense of that term, any more than are the red, black,or white Wolves, the black Marmots, Squirrels, etc. The proofof this is in the fact that one or both of the varieties occurIn the same litter of whelps from normally colored have no special geographical distribution, although, onthe whole, both kinds are rather northerly than otherwise, theSilver Foxes especially so. It does not appear to be ascer-tained exactly how far the styles of pelage tend to perpetuatethemselves; that is to say, in what
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