344 PUTORIUS. 



505. cicognani. {Mustt-hi), Bon. Iconog. Faun. ItaL, 1838, i, fasc. 

 xxii, p. 4. 



ru/garis, Rich. Faun. Bor. Amer. Mamm., 1829, pp. 45-46. (nee 

 Briss.) 



Type locality. Carlton House? Arctic America. 



Geogr. Distr. Boreal forest covered parts of North America, 

 from New England and Labrador to coast of southeastern Alaska. 

 (Juneau, Wrangel and Loring), and south in the Rocky Mountains to 

 Colorado (Silverton). Interior of British Columbia (Sicamous), but 

 in the Puget Sound region is replaced by a smaller and darker form, 

 P. strcatori. In the United States it is common in New England and 

 New York, and in the forest covered parts of Minnesota. Probably 

 occurs also in northern Michigan and Wisconsin. (Merriam.) 



Genl. Char. Small, tail short. Skull: light, elongated; zygoma 

 narrow, not outward bowed; audital bullae small; squamosals inflated. 



Color. Itt Summer. Uniform dark brown except upper lips and 

 under parts, which are yellowish white. Tail tipped with black. 



Winter Pelage. Pure white, rump, tail and under parts tinged 

 with yellow. Tip of tail black. 



Measurements. Total length, 278; tail vertebrae, 80; hind 

 foot, 36.5. 



a.—richardsonj . (JJustelii), Bon. in Charlesw. Mag. Nat. Hist., vol. 

 xi, p. 31, 1838. 



Type locality. Fort Franklin, Great Bear Lake. 



Geogr. Distr. Hudson Bay to interior of Alaska and British Co- 

 lumbia. 



Genl. Char. Size larger than P. cicognani; tail with terminal 

 third black. Skull: frontals narrow, zygoma compressed. 



Color. Dark chestnut above, the same hue extending over legs 

 and feet between thighs and tail. Rest of body white, tinged with 

 light yellow. 



Measurements. Total length, 390; tail vertebrae, 95; hindfoot, 45. 



h.—alascensis. {Putorius), Merr., N. Am. Faun., No. 11, p. 12, pi. 

 II, fig. 2. 



Type locality. Juneau, Alaska. 



Geogr. Distr. Alaska; range not known. 



Genl. Char. White tips to fore and hind feet more extensive. 

 Skull: orbital region broad; constriction great; postorbital processes 

 well developed. 



Color. Upper parts and legs chocolate brown; fore feet to wrists 

 and hind feet to middle of upper side, upper lip and under parts of 

 body white; terminal third of tail black. 



