SYNAPTOMYS — MICKOTUS. 79 



Synaptomys (Mictomys) wrangeli Merriam. Bioloo-ical Surv(\\- coll. 

 rroc. P.iol. S.M-. Wash., X, p. (iM, li>r. 5, March 19, 1896. 

 74720. Skill and skull. Adult male. Wranoel. Alaska. September 

 <>, iSiK). Collected l)y C. P. Streator. Original mimlx'r 4S71. 



\Vell-iiia>lc skill in <^()<k1 coiKlitioii; skull jHTfect (•xce])t for sli<:ht injury In end 

 uf nasals and an irrofrular pcrfitration of the anterior part of ])rain I'ase heneuth 

 the frontals. 



Genus MICROTUS. 



Microtus abbreviatus Millci-. 



Proc. Biol. Sor. Wash., XIII, p. 13, January 31, 1899. 

 2 24 2 1!- Skill aiul skull. Young adult female. Hall Island, Bering 

 Sea. Septeml)er 8, 1885. Collected })v C. II. Tovvnsend. (Cata- 

 logued September 10, 1886. 



Considering its history, the skin is in good condition. It has been n-made 

 into a modern study skin. Mr. Miller {loc. cit.) says: "Mr. Townsend tells ine 

 that the specimen was preserved dry. It was received at the National IMuseum 

 in .September, 188(5, and its subsecpu'nt history is not known. It was found in a 

 bottle of alcohol in October, 1898." Skull not in such good condition as the 

 skin; rather damaged, including the lower jaw, on the right-hand side and pos- 

 teriorly. 



Microtus acrophilus Miller. 



Proc. Acad. Nat. 8ci. Phila., 1899, p. 296, August 9, 1899. 

 62162. Skin and skull. Adult female. On tbe Ladak side of tlie Kara 

 Korum Pass, altitude 17,000 feet, Kashmir. July 25, 1893. Col- 

 lected by Dr. W. L. Abbott. Catalogued May 16, 1S95. 



Well-made skin and in gootl condition; skull has lost both malars, left ptery- 

 goid, and there is a hole in the left half of the basioccipital. 



Microtus oregoni adocetus Mciiiam. Biological Survey Collection. 

 Proc. Biol. Soc. Wash., XXI, i^].. 14r,-146, June 9, 1908. 

 187995. Skin and .skull. Adult male. South Yallobally Mountain, 

 California. July 3<), 1905. Collected by A. S. Bunnell. Original 

 number 185. 

 Well-made skin in good condition; skull jtcrfect. 



Arvicola albicauda True. 



I'roc. r. S. Nat. Mus., XVII, No. 976, p. IL', May 8, 1894. 

 =Microtus albicauda (True). See Miller, North Amer. Fauna, No. 12, p. r>4, .luly 

 2.S, 1896. 



"sUih Skin and .skull. Adult iemale. BraMu Valley, Ballistan, 

 Kashmir; altitude 11,000 feet. December 19, 1891. Collected by 

 Dr. W. L. Abbott. Skin catalogued August 11, 1892; skull. March 

 7, 1894. 



Well-made skin in good eondition; skull wiili left malar missing, left bulla in- 

 jured, and right coronoid process of mandible broken, otherwise perfect. 



