220 AUDUBON THE NATURALIST. 
by Charles P. Chouteau, Esq., with a mink skin 
of a beautiful silver-gray colour, the fur of which 
is quite different from the ordinary coat of the 
animal. These beautiful skins are exceedingly 
rare, and six of them, when they are united, 
will make a muff, worth at least a hundred dol- 
lars. A skin, slightly approaching the fine 
quality and colour of the one just mentioned, 
exists in the Academy of Natural Sciences at 
Philadelphia, but it is brownish, and the fur is 
noi very good, 
