Vol. XIV, pp. 125-126 July 19, 190; 



PROCEEDINGS 



OF THK 



BIOLOGICAL SOCIETY OF WASHINGTON 



TWO NEW RODENTS FROM NORTHWESTERN 



CALIFORNIA. 



liY ('. HART MERRIAM. 



Phenacomys albipes sp. iiov. 



Type from Redwoods, near Areata, Huml)ol(lt Bay. California. Xo. 

 97,23(5, $ ad., U. S. National Museum, Biological Survey Collection. 

 May 24, 1S99. Walter K. Fisher. Original No. 821. 



CJiaracterK. — Appearance Microtus-like: size rather lari^e: tail long, 

 sharply bicolor, and scantily liaiiM-d. Color grizzled brown; fore and 

 hind feet white. 



Color. — Upperparts grizzled hisier with brownish wash on head, 

 shoulders, and sides; sides of nose dark grayish; underparts grayish 

 plumbeous with buffy wash; fore and hind feet white; ankles dusky; 

 tail dusky above and broadly whitish below, with sharp line of de- 

 marcation. 



Cranial fJiarartcrx. — Skull long and rather slender; braincase long; 

 interparielal large and broad, zygdinata not spreading, the anterior 

 roots sloping strongly backward, the jugals slightly expanded and nearly 

 parallel; nasals broadly wedge-shaped, truncate posteriorly in front of 

 premaxillie, incisive foramina rather short and broad; bulhe large; in- 

 terpterygoid fossa long, s(puirely truncate anteriorly against a broad 

 median azygos projection of the palate. 



Remarks. — The only species with which P. allnpeK requires compari- 

 son is P. longicaudiis True from western Oregon — one of the rarest and 

 least known mammals of the world. So far as I am aware only two 

 specimens of l(>ngira>/(h(.-< have been collected — the type and a female in 

 the Biological Survey Collection, from Meadows, Lane County, Oregon. 

 21— BioL, Soc. Wash. Vol. XIV, 1901. (1^5) 



