386 FIELD MUSEUM or NATURAL HISTORY ZOOLOGY, VOL. XL 



Map illustrating supposed distribution of species belonging to the genus Mustela ( except M. 

 pennanti) in eastern United States and Canada. 



Mustela americana TURTON. Type locality Eastern North America. De- 

 scription as previously given. 



Mustela a. abieticola PREBLE. (N. Amer. Fauna, No. 22, 1902, p. 68.) Type lo- 

 cality Cumberland House, Saskatchewan, Canada. "Much larger than 

 Mustela americana; dentition heavier" (Preble). 



Mustela a. brumalis (BANGS). (Amer. Nat., XXXII, 1898, p. 502, fig. .) Type 



locality Okak, Labrador. Larger and darker than americana. 



Mustela atrata BANGS. (Amer. Nat., XXXI, 1897, p. 162.) Type locality Bay 

 St. George, New Foundland. Decidedly darker brown and throat patch tinged 

 with orange. 



