PUTORIUS. 



glenoid space small and hardly inflated in male, brain case subtri- 

 angular, short. 



Color. Upper parts and upper lip dark, yellowish brown; chin 

 white; under parts, inner and posterior sides of fore legs, all of fore 

 feet, distal half and inner sides of hind feet, and under side of tail 

 deep ochraceous yellow. Terminal half of tail black. (Merr. ,1. c.) 



Measurements. Type. Total length, 380; tail vertebrae, 75: pen- 

 cil, 55; hind foot, 48. 



a.—kadiacensis. {Fi/ tortus), Merr., N. Am. Faun., No. 11, i8g6, 

 p. 16. 



Type locality. Kadiak Island, Alaska. 



Geogr. Distr. Only known from type locality. 



Genl. Char. Smaller than P. arctiais; smaller and narrower 

 audital bullae, less spreading zygomata, less divergent tooth rows, 

 and decidedly shorter postmolar production of palate. 



Color. Summer Pelage. Unknown. 



Winter Pelage. Pure white, terminal half of the tail black. 



Measurements. Total length, 318; tail vertebrae, 86; hind foot, 44. 



509. noveboracensis. (Putorius), DeKay, Cat. Mamm. N. Y., 1S40, 

 p. 18. 



Type locality. New York State. 



Geogr. Distr. Maine to North Carolina, west to Illinois. 



Genl. Char. Great difference in size of sexes, male large, tail 

 long, terminal third to half, black. Skull: zygoma not bowed out- 

 ward; postorbital processes moderate; audital bullae rather narrow, 

 rounded anteriorly. 



Color. Summer Pelage. Upper parts, encroaching on belly, fore 

 and hind feet, and anal region dark chocolate brown; under parts 

 white tinged with yellow. Tail like back, terminal third or more 

 black. 



Winter Pelage. White, tinged with yellow beneath, end of tail 

 black. 



Measurements. Male. Total length, 418; tail vertebra-, 150; 

 hind foot, 50. Female. Total length, 298; tail vertebrae, 92: hind 

 foot, 26. 



a.—notius. (Putorius), Bangs, N. Eng. Zool. Club, 1899, p. 53. 



Type locality. Weaverville, Buncombe County, North Carolina. 



Geogr. Distr. Eastern middle States. 



Genl. Char. Like P. noveboracensis, but darker above and yellow 

 below. 



Color. Summer Pelage. Upper parts dark chocolate brown; 

 under parts maize yellow; apical half of tail black. 



