RODENTIA: CRICETIDAE 601 



Type Locality. — Egg Harbor, Coronation Island, Alaska. Range. — Recorded 

 from Coronation, Forrester, and Warren Islands, Alaska. 



mexicanus — group 

 Microtus niexieaims rnexicaiius (Saussure) * 



1861. Arvicola (Herniotomy s) mexicanus Saussure, Rev. Mag. Zool., Paris, 



ser. 2, vol. 13, p. 3, January 1361. 

 1884. Arvicola mexicanus True, Proc. U. S. Nat. Mus. vol. 7 (App., Circ. 29), 



p. 597, Nov. 29, 1884. 

 1897. [Microtus] mexicanus Trouessart, Catalogus Mammalium . . ., fasc. 



3, p. 564. 

 Type Locality. — Volcan de Orizaba, Puebla, Mexico. Range. — Eastern 

 Puebla; intergrading to north and west with phaeus. 



Microtus mexicanus salvus Hall* 



1948. Microtus mexicanus fundatus Hall, Univ. Kansas Publ. Mus. Nat. Hist., 

 vol. 1, p. 426, Dec. 24, 1948. 



Type Locality. — Mount Tancitaro, Michoacan, Mexico. Altitude, 11,400 feet. 

 Range. — Known only from Mount Tancitaro at elevations of 7,800 to 11,400 

 feet. 



Microtus mexicanus fundatus Hall 



1948. Microtus mexicanus fundatus Hall, Univ. Kansas Publ. Mus. Nat. Hist., 

 vol. 1, p. 425, Dec. 24, 1948. 



Type Locality. — Three and one-half miles south of Patzcuaro, Michoacan, 

 Mexico. Altitude, 7,900 feet. Range. — Known from vicinity of type locality only. 



Microtus mexicanus phaeus (Merriam) f* 



1892. Arvicola phaeus Merriam, Proc. Biol. Soc. Washington, vol. 7, p. 171, 



Sept. 29, 1892. 

 1900. Microtus mexicanus phaeus V. Bailey, North Amer. Fauna No. 17, p. 54, 



June 6, 1900. 

 Type Locality. — North slope of El Nevado de Colima, Jalisco, Mexico. Alti- 

 tude, 10,000 feet. Range. — Southern Jalisco and northward to northwestern 

 Durango; eastwardly grading into mexicanus. Zonal range, Boreal and Transi- 

 tion. 



Microtus mexicanus subsimus Goldmanf * 



1938. Microtus mexicanus subsimus Goldman, Journ. Mamm., vol. 19, No. 4, 

 p. 494, Nov. 14, 1938. 



Type Locality. — Sierra Guadalupe, southeastern Coahuila, Mexico. Range. — 

 High, isolated mountain ranges from southeastern Coahuila to southwestern 

 Tamaulipas, Mexico. Recorded also from near Galeana, Nuevo Leon, Mexico 

 (Hooper, Journ. Mamm., vol. 28, No. 1, p. 55, Feb. 17, 1947) . 



Microtus mexicanus madrensis Goldmanf* 



1938. Microtus mexicanus madrensis Goldman, Journ. Mamm., vol. 19, No. 4, 

 p. 493, Nov. 14, 1938. 



Type Locality. — Rio Gavilan, 5 miles west of Colonia Garcia, about 60 miles 

 southwest of Casas Grandes, Chihuahua, Mexico. Altitude, 6,700 feet. Range. — 

 Sierra Madre of Chihuahua, and probably adjacent mountains of northeastern 

 Sonora. 



