RODENTIA: CASTORIDAE 423 



1911. Liomys irroratus texensis Goldman, North Amer. Fauna No. 34, p. 59, 

 Sept. 7, 1911. 



Type Locality. — Brownsville, Cameron County, Tex. Range. — Low plains 

 and mountains east of Sierra Madre Oriental in southern Texas, Tamaulipas and 

 eastern Nuevo Leon in Mexico. Known range from Brownsville, Tex., south to 

 Sierra de Tamaulipas and west to vicinity of General Teran and Montemorelos; 

 vertical range from near sea level, at Brownsville, to 2,600 feet at Acuiia in Sierra 

 de Tamaulipas (Hooper and Handley, Occ. Pap. Mus. Zool. Univ. Michigan No. 

 514, p. 20, Oct. 29, 1948). Recorded also near Raymondville, Willacy County, 

 Tex. (Blair, Journ. Mamm, vol. 30, No. 3, p. 201, May 23, 1949) . 



Liomys irroratus canus Merriamf * 



1902. Liomys canus Merriam, Proc. Biol. Soc. Washington, vol. 15, p. 44, Mar. 



5, 1902. 

 1911. Liomys irroratus canus Goldman, North Amer. Fauna No. 34, p. 60, 



Sept. 7, 1911. 

 Type Locality. — Near Parral, Chihuahua, Mexico. Range. — Eastern flank of 

 Sierra Madre Occidental and adjoining plateau. Known range from vicinity of 

 Parral and Santa Rosalia, Chihuahua, south to Valparaiso and Hacienda San 

 Juan Capistrano, Zacatecas; vertical range, approximately 5,000 to 7,000 feet 

 (Hooper and Handley, Occ. Pap. Mus. Zool. Univ. Michigan No. 514, p. 22. 

 Oct. 29, 1948) . 

 Liomys bulleri (Thomas) * 



1893. Heteromys bulleri Thomas, Ann. Mag. Nat. Hist., ser. 6, vol. 11, p. 330, 



April 1893. 

 1911. Liomys bulleri Goldman, North Amer. Fauna No. 34, p. 61, Sept. 7, 



1911. 

 Type Locality. — Laguna, Sierra de Juanacatlan, Jalisco, Mexico. Range. — 

 Known only from type locality. Zonal range, Upper Sonoran. 



Liomys guerrerensis Goldmanf* 



1911. Liomys guerrerensis Goldman, North Amer. Fauna No. 34, p. 62, Sept. 

 7, 1911. 



Type Locality. — Omilteme, Guerrero, Mexico. Range. — Humid, heavily for- 

 ested Pacific slopes of Sierra Madre in vicinity of Omilteme and near Chilpan- 

 cingo (Davis, Journ. Mamm., vol. 25, No. 4, p. 389, Dec. 12, 1944) . 



Superfamily CASTOROIDEA 



Family Castoridae (beavers) 

 Genus CASTOR Linnaeus 

 1758. Castor Linnaeus, Systema naturae, ed. 10, vol. 1, p. 58. (Type, Castor 

 fiber Linnaeus.) 

 Castor canadensis canadensis Kuhl* 



1820. Castor canadensis Kuhl, Beitrage zur Zoologie und vergleichenden 

 Anatomie, Abth. 1, p. 64. 



6 Beavers of western North America revised by Taylor, Univ. California Publ. Zool., vol. 12, 

 No. 15, pp. 413-495, Mar. 20, 1916. 



