152 peromyscus. 



Keen's Mouse. 



Type locality. Masset, Graham Island, Queen Charlotte Islands, 

 British Columbia, Canada. 



Geogr. Distr. Known only from the type locality. 



303. Peromyscus macrorhinus (Rhoads). 



Sitomys macrorhinus Rhoads, Proc. Acad. Nat. Scien. Phil., 1894, 



p. 259. 

 Peromyscus macrorhinus Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 

 II, 1901, p. 133. Zool. Ser. 

 LoNG-NosED Mouse. 



Type locality. Skeena River, British Columbia, Canada. 

 Geogr. Distr. British Columbia, Canada, possibly south into 

 Washington. 



304. Peromyscus prevostensis Osgood. 



Peromyscus prevostensis Osgood, N. Am. Faun., No. 21, 1901, 

 p. 29. 

 Prevost Island Mouse. 



Type locality. Prevost Island, Queen Charlotte Islands, British 

 Columbia, Canada. 



Geogr. Distr. Known only from the type locality. 



Genl. Char. Similar to P. sitkensis, tail shorter; nasals shorter; 

 posterior palatine foramina much longer. 



Color. In front of and around eyes black; faint dusky dorsal 

 stripe; beneath grayish white; occasionally a buff stripe in center of 

 the breast ; hind feet dusky ; tail bicolor. 



Measurements. "Average of 47 adults, total length, 217; tail 

 vertebrae, 104; hind foot, 26." (Osgood.) 



305. Peromyscus sitkensis Merriam. 



Peromyscus sitkensis Merr., Proc. Biol. Soc. Wash., xi, 1897, 

 p. 223. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, 

 p. 134. Zool. Ser. 

 Sitka Mouse. 



Type locality. Sitka, Alaska. 



Geogr. Distr. Baranof Island, Alaska. 



306. Peromyscus oreas Bangs. 



Peromyscus oreas Bangs, Proc. Biol. Soc. Wash., xii, 1898, p. 84. 

 Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, p. 134. 

 Zool. Ser. 

 Mountain Mouse. 



Type locality. Mount Baker, Range, British Columbia, Canada, 

 near Whatcom County, Washington. 



