THE FERRET AND THE MINK. 79 
most northern parts of Europe, and also in North America. Its fur is 
usually brown, with some white about the jaws, but seems to be subject to 
FERRET.—(AZustela Furo.) 
considerable variations of tinting. Some specimens are of a much paler 
brown than others ; in some individuals the fur is nearly black about the 
MINK.—( Vison Lutreola.) 
head, while the white patch that is found on the chin is extremely variable 
in dimensions, The size, too, is rather variable, 
