292 PROCEEDINGS OF THE ACADEMY OF [1899. 



have thus far been described, two of them based on material 

 obtained by Dr. Abbott during his first visit to Baltistan and 

 Kashmir. While in Ladak during 1893 and 1897 Dr. Abbott 

 secured two additional species, both of which appear to be unde- 

 scribed. The species now known, with their type localities, are as 

 follows : 



1. MiCROTUS BOYLEi (Gray). (Kashmir.) 



1842. Arvicola roylei Gray, Ann. and Mag. Nat. Hist., x, p. 265. 

 December, 1842. 



1891. Microtus roylei Blanford, Fauna of British India, Mammalia, p. 

 430. 



2. Microtus stoliczkanus Blanford. Ladak, near headwaters 



of the Yarkand river. 



1875. Ai'vicola stoliczkanus Blanford. Jovirn. Asiat. See. Bengal, xliv, 

 pt. ii, p. 107. 



1891. Microtus stoliczkanus Blanford, Fauna of British India, Mam- 

 malia, p. 430. 



3. Microtus stracheyi (Thomas). Kumauu. 



1880. Arvicola stracheyi Thomas, Ann. and Mag. Nat. Hist., 5th ser. 

 vi, p. 322. October, 1880. 



1891. Microtus stracheyi Blanford, Fauna of British India, Mammalia, 

 p. 431. 



4. Microtus blanfordi (Scully). Gilgit. 



1880. Arvicola blanfordi Scully, Ann. and Mag. Nat. Hist., 5th ser., 

 vi, p. 399. November, 1880. 



1891. Microtus blanfordi Blanford, Fauna of British India, Mammalia, 

 p. 432. 



5. Microtus wynnei Blanford. Murree. 



1880. Arvicola wynnei Blanford, Journ. Asiat. Soc. Bengal, xlix, pt. 

 ii, p. 244. 



1891. Microtus wynnei Blanford, Fauna of British India, Mammalia, 

 p. 431. 



6. Microtus montosus (True). Central Kashmir. 



1894. Arvicola montosa True, Proc. U. S. National Museum, xvii, p. 

 11. May 8, 1894. 



7. Microtus albicauda (True). Braldu valley, Baltistan. 



1894. Arvicola albicauda True, Proc. U. S. National Museum, xvii, 

 p. 12. May 8, 1894. 



1896. Microtus albicauda Miller, North American Fauna, No. 12, p. 

 54. July 23, 1896. 



8. Microtus cricetulus sp. nov. Banks of the Tso Kyun, 



Ladak. 



