MAMMALS OF THE MEXICAN BOUNDARY. 501 



( MICROTUS MOGOLLONENSIS (Mearns). 

 M0G0LL0N MOUNTAIN VOLE. 



Arvicola mogottonensis Mearns, Bull. Am. Mus. Nat. Hist., II. Feb. 21, 1890, p. 283 



oal descripl ion ). 

 M[icrotus] mogollonensis Miller, Proc. Biol. Soc. Washington, Xi, p. 68, Apr. 21, 1890. 

 Microtus mogollonensis Bailey, North American Fauna, No. 17, June 6, M«H). p. 56 



(Revision of American Voles of the genus Microtus). Miller and Rehn, Proc. 



Bust. Soc. Nat. Hist., XXX. No. L, Dec. 27, L901, p. 123 (Syst. Results Study N. 



Am. Mam. to close of 1900 . 

 [Microtus] mogoUonensis Elliot, Field Col. Mus., Zool. Ser., II. 1901, p. 192 (Synop. 



Mam. X. Am. |. 



Type-locality. — Bakers Butte, Mogollon Mountains, Y/avapa County, 

 Arizona. Altitude. 8,000 feet. 



MICROTUS MEXICANUS GUADALUPENSIS Bailey. 



GUADALUPE MOUNTAIN VOLE. 



Microtus mexicanus guadalupensis Bailey, Proc. Biol. Sue. Washington XV, p. lis. 

 June 2, 1902 (original description). -Miller and Rehn, Proc. Bost. Soc. Nat. 

 Hist., XXXI, Aug. 27, 1903, p. 91 (Syst. Results Study X. Am. Land Mam. during 

 I he years 1901 and. L902). 



Type-locality. — Guadalupe Mountains, El Paso County, Texas. 

 Altitude, 7,800 feet. 



