MICROTUS. 91 



Arvicola phaeus Moniaiii. liiological Survey colltHtion. 



Viae. Biol. Soc. AVash., VII, \,\k 171-172, SeptoinlRT 29, 1892. 

 = Microtus mexicanus phaeus (INIerriam). See Bailej', North Anier. Fauna, No. 

 17, p. 54, Jiine(), ll»()0. 



■fiHij- Skin and skull. Adult female. North slope Sierra Nevada 

 de Colinia, Jalisco, Mexico; altitude 10,000 feet. April 21, 1892. 

 Collected by E. W. Nelson. Original number 2516. 



Well-inade skin in good condition; skull perfect, except for injured occipital- 

 condyles and right audital bulla. 



Microtus unalascensis popofensis Merriam. Biol. Survey coll. 



Proc. Wai^h. Acad. Sci,, II, p|.. 22-2.S, March 14, 1900. 

 97956. Skin and skull. Adult male. Popof Island, Shuma^in Islands, 

 Alaska. July 1(!, 1899. Collected by W. E. Hitter. Orioinal 

 number 2200 (Dr. A. K. Fisher). 



^\'ell-made skin in good condition; skull perfect, except for slight perforation 

 of right audital bulla and a perforation at ba.«e of nasals. 



Arvicola (Pitymys) pinetorum quasiater Coues. See page 289. 



Microtus ravidulus jMiller. 



Proc. Acad. Nat. Sci. Phila., 1899, p. 284, August 9, 1899. 

 62159. Skin and skull. Adult female. Okchi, vallej' of the Aksai; 

 altitude 7,000 feet, Eastern Turkestan. November 7, 1898. Col- 

 lected by Dr. W. L. Abbott. Catalogued May 16, 1895. 



Well-made skin in good condition; skull perfect, except some chips out of 

 coronoid and angular processes of the mandible. 



Arvicola scalopsoides Audu))on and Rachman. 



Proc. Arad. Nat. Sci. Phila., I, p. 97. SulMiiitted for publication October 5, 



1841. 

 =Microtus pinetorum scalopsoides (Audubon and Bachman). See Batchelder, 



Proc. P.ost. Soc. Nat. Hist., XXVII, p. 187, October, 1896, 



10264. Skin with skull inside. Long Island, New York. Collected 

 by Major J. E. Le Contc, U. S, A, Catalogued October 15, 1872, 

 so that the specimen must have been acquired long after the orig- 

 inal description. 



Skin in rather poor condition. It has somewhat the appearance of having 

 been made up out of alcohol. The left fore foot and right hind foot are missing. 

 On the left side there is a considerable patch without liair. 



Tyjie not designated by number. "Type of Kcahjiwide.^" is written in the 

 remarks column of the catalogue in the handwriting of the original entry. In 

 the table on page 224 of Monographs of North American Rodentia Dr. Coues 

 calls this specimen, 10264, "Type of 'Kcalopsoides' LeC." The specimen also 

 bears one of Coues's labels reading " Monograph of American Muridjc, Dr. 

 Elliott Coues, U. S. A., No. 10264. Type of A. '■scalopsoides' apud Le Conte 

 { = pinetorum) Long Island." 



