PEROMYSCUS. 131 



Geogr. Distr. The Dakotas, Montana, Wyoming, Nebraska and 

 Kansas. 



Genl. Char. Size rather largo; tail short, pelage long. 



Color. Above grayish fulvous, lined with black; white patcli in 

 front of ear; under parts white. Tail above black, rest white. 



Measurements. Total length, 159; tail to end of hairs, 56; hind 

 foot, 20. 



e.^saturatus. {Peroinyseus), Bangs, Am. Nat., 1897, p. 75. 



Ty/'t locality. Saturna Island, British Columbia. 



Geogr. Distr. Saturna Island, British Columbia. Range not 

 determined. 



Genl. Char. Size as in P. t. gambeli : color darker. 



Color. Above sepia brown, mixed with sooty black, paler on 

 sides: indistinct lateral cinnamon band; under parts grayish white; 

 orbital ring black, ears black. Tail black above, white below; feet 

 white. 



Measurements. Average total length, 180.95; tail vertebrae, 

 76.20; hind foot, 21.25. 



f.—arcticus. (Hesperomys), Mearns, Bull. .\m. Mus. Nat. Hist., i88g, 

 p. 285. 



Type locality. Fort Simpson, Hudson Bay. 



Geogr. Distr. Hudson Bay to Rocky Mountains, Arctic 

 America. 



Genl. Char. Tail long, ears medium; pelage long and dense. 



Color. Above dark grayish brown, mixed with black on median 

 line; feet and under parts white; no white spot at base of ear. Tail, 

 bicolor, black on top, white below. 



Measurements. Average total length, 160; tail vertebra-, 73.5; 

 hind foot, 20.3. 



^.—subarcticus. {Feromyscus), Allen, Bull. .\m. Mus. Nat. Hist., 

 1899, p. 15. 



Type locality. Deerlodge County, Montana. 



Geogr. Distr. From Utah and Colorado, through Wyoming, 

 the Dakotas and Montana to the Saskatchewan \'ailey. Alberta. 



Color. Above dusky brown, tinged with pale fulvous, blackish 

 on median line; fulvous on flanks; feet and under parts white. Tail, 

 above blackish brown, sides and beneath white. 



.Measurements. Total length, 165; tail vertebra-, 66; hind foot, ig. 



167. maniculatus. {Hesperomys) Wagn. Archiv. Naturg., xi, 1845, p. 

 148. Bangs, Am. Nat., 1898, p. 496. 

 Type locality. Moravian Settlements in Labrador. 



