84 MICROTUS. 



Microtus californicus constrictus liailcv. Biolo^ictil Survey coll. 



Nortli AiiitT. Fauna, No. 17, pp. 1">, .SfJ-ll?, Jiiiu' (i, 1900. 

 98347. Skin and .skull. .Vdult male. Cape INlcndocino. California. 

 September 6, lySM). C'ollected hy ^'. Uailey. Orioinal number 

 7174. 



Well-iiiadc skiti in iruod cdndition; tikiill pt'rfwt. 



Microtus cricetulus Miller. 



Piw. Acad. Nat. Sci. I'hila., 1899, p. 2U4, Aii-,Mi.st9, 1899. 

 84043. Skin antl skull. Adult male. Banks of the Tso K3^un, Ladak; 

 altitude It),Oi)!) feet. August 11, IS!>7. Collected by Dr. W. L. 

 Abbott. Catalojiued March 3, 189S. 



Well-made skin in good condition; skull perfect. 



Arvicola curtata Cope. 



Pro(!. Acad. Nat. Sci. Phila., 18G8, p. 2. Presented at meetingof January 21, 1868. 

 :=Microtus curtatus (Cope). See Miller, North Ainer. Fauna, No. 12, p. 51, July 

 23, 1896. 



Ului- Fraonients of skull and feet. Collected by Prof. W. M. Gabb 

 at Pigeon Spring, Mount Magruder, Nevada, near boundary be- 

 tween Inyo County, California, and Esmeralda County, Nevada. 

 Skin catalogued October 15, 187:2; skull, May 5, 1898. 



The following is an inventory of. the fragments: (1) Both hind feet, one of 

 them with tibia attached; (2) both fore feet, one of them with radius and ulna 

 attached, the other radius and ulna present and a portion of each humerus pres- 

 ent; (8) a few small, almost unidentilial)le fragments of the .«kull; (4) all the 

 upper molars, still attached or glued to a good-sized fragment of the palate, the 

 free ends of the incisors in small parts of the premaxillaries; (f)) all <if the lower 

 jaw teeth except the last molar of the left side; the two other molars of that side 

 are attached to a piece of the mandible; the incisors rather fragmentary. 



Type not designated by number. In the catalogue, in the handwriting of the 

 original entry, the specimen is marked "Cope's type." The i)resent specimen 

 is indicated a.s the type by Dr. Coues in Monographs of North American Rodentia, 

 pages 215 to 217, where it appears that the specimen was in as bad condition in 

 1877 as it is now. One of Dr. Coues's labels, reading "No. 10267, Type of Arri- 

 cola curtata Cope," is still attached to the specimen. 



Microtus dutcheri Bailey. Biological Survey Collection. 



Proc. P.iol. Sdc. Wash., XII, pp. sr)-S(!, April .'JO, 1898. 

 IWi's- Skin and skidl. Adult male. Big Cottonwood Meadows, 

 Mount Whitney, California. July i(), l.S!»l. Collected by Dr. B. II. 

 Dutcher, V. S. A. Original niunber Ol*. 

 Well-made skin in good condition; skull perfect. 



Arvicola edax Le Conte. 



Proc. Acad. Nat. Sci. Phila., \'i, p. 10.5, this paper was favoralily reported for 

 publication October 25, 185:;. 

 =^Microtus edax (Le Conte). See Allen, Pull. Amer. .Miis. Nat. Hist., VUl, p. 268, 

 December 4, 1896. 



