MIOROTUS. 85 



sVsVs- Skin and skull. Collected ])y ,1. L. Le Conte in California, 

 .south of San Francisco. Skin catalooued April 13, 18G1; skull, 

 April 27, 1S9T. 



Specimen made into a modern study skin, in good condition, and skull removed 

 in the early part of 1897. The i>osterior and basal portions of cranium have been 

 cut away, in< hiding the left upper molar. The posterior parts of the right half 

 of mandible are broken away, l^pper incisors are broken. 



Type not designated by jnimber. The j)resent specimen seems to be the only 

 one in the collection collected in California by Le Conte which is positively 

 stated by Baird, page 532 of his INIaiiniials, to be the type. In the table on 

 page 17;5, ]\Ionograplis of North American Rodentia, Dr. Cones says the present 

 specimen, 4721, is the type of I'dax. 



Microtus elymocetes Osgood. liiological Survey collection. 



Proc. Biol. Soc. Wa.-^h., XIX, i)p. 71-72, May 1, B»0(i. 



137828. Skin and skull. Adult male. Montagiu' Island, I'rince Wil- 

 liam Sound, Alaska. May 12. VMh. Collected by C. Sheldon. 

 Original number 8 (.")-l:-i8x). 



Well-made skin in good condition; skull perfect. 



Arvicola fertilis True. 



Proc. I". S. Nat. Mus., XVII, No. 976, p. 10, I\Iay 8, 1894. 

 =Microtus fertilis (True). See Miller, North Amer. Fauna, No. 12, p. 55, July 

 23, 1898. 



IIHo' Skin and skull. Adult female. Pir Panjal Kange, Kashmir; 

 altitude 8,500 feet. August 30, 18!)1. Collected by Dr. W. L. 

 Abbott. Catalogued May 0, 1892. 



Well-made skin in good condition; skull perfect, except that the bnlUe and 

 pterygoids have been cut away. 



Microtus abbreviatus fisheri Merriam. Biological Survey coll. 



Broc. Wash. Aca.l. Sci., II, p. 23, March 14, 1900. 



97976. Skin and skull. Adult male. St. Matthew Island, Bering 

 Sea. July 15, 1S99. Collected by Dr. A. K. Fisher. Original 

 number 2189. 



Well-made skin in good condition; skull perfect. 



Microtus fulviventer Merriam. Biological Survey collection. 



I'roc. Biol. Soc. Wash., XII, p. lOti, Aj)ril 30, 1898. 



68250. Skin and .skull. Adult male. Cerro San Felipe, Oaxaca, 

 Mexico. August 22, 1894. Collected by E. \V. Nelson and E. A. 

 Goldman. Original number 6»)01. 



Well-made skin in good condition; skull perfect, except for abseni* of both 

 coronoid processes and left angular process of mandible. 



