RODENTIA: GEOMYIDAE 289 



Type Locality. — San Angel, 16 miles west-southwest of San Ignacio, Baja 

 California, Mexico. Range. — Eastern side of the Vizcaino Desert, Baja Cali- 

 fornia. 



Thomomys bottae homorus Huey 



1949. Thomomys bottae homorus Huey, Trans. San Diego Soc. Nat. Hist., 

 vol. 11, No. 4, p. 55, Jan. 31, 1949. 



Type Locality. — One mile east of Rancho Lagunitas, lat. 28° 21' N., long. 113° 

 15' W., Baja California, Mexico. Range. — Local populations found in suitable 

 localities in hilly sections of extreme northeastern Vizcaino Desert from vicinity 

 of Calmalli (1,200 feet) eastward to summit of peninsular ridge near type 

 locality. 



Thomomys bottae incomptus Goldmanf* 



1939. Thomomys bottae incomptus Goldman, Proc. Biol. Soc. Washington, 

 vol. 52, p. 29, Mar. 11, 1939. 



Type Locality. — San Jorge, near Pacific coast, west of Pozo Grande and about 

 25 miles southwest of Comondu, southern Baja California, Mexico. Altitude, 

 50 feet. Range. — Northern half of vast Magdalena Plain, with exception of 

 very restricted coastal habitat of litoris (Huey, Trans. San Diego Soc. Nat. Hist., 

 vol. 10, No. 14, p. 263, Aug. 31, 1945) . 



Thomomys bottae litoris Burt 



1940. Thomomys bottae litoris Burt, Occ. Pap. Mus. Zool. Univ. Michigan 

 No. 424, p. 1, Nov. 29, 1940. 



Type Locality. — Stearns Point, west side of Magdalena Bay, Baja California, 

 Mexico. Range. — Known from type locality only. 



Thomomys bottae magdalenae Nelson and Goldmanf* 



1909. Thomomys magdalenae Nelson and Goldman, Proc. Biol. Soc. Wash- 

 ington, vol. 22, p. 24, Mar. 10, 1909. 

 1943. Thomomys bottae magdalenae Goldman, Journ. Washington Acad. Sci., 



vol. 33, No. 5, p. 147, May 15, 1943. 

 Type Locality. — Magdalena Island, Baja California, Mexico. Range. — 

 Known from type locality only. 



Thomomys bottae imitabilis Goldmanf* 



1939. Thomomys bottae imitabilis Goldman, Proc. Biol. Soc. Washington, vol. 

 52, p. 30, Mar. 11, 1939. 



Type Locality. — La Paz, southern Baja California, Mexico. Range.— Known 

 from type locality only. Probably limited to low, basinlike, desert plain border- 

 ing southern end of La Paz Bay, and forming a gap between Sierra de la Giganta 

 and high mountains of Cape region of Baja California. 



Thomomys bottae alticolus J. A. Allen* 



1899. Thomomys fulvus alticolus J. A. Allen, Bull. Amer. Mus. Nat. Hist., 



vol. 12, p. 13, Mar. 4, 1899. 

 1915. Thomomys bottae alticolus V. Bailey, North Amer. Fauna No. 39, p. 60, 



Nov. 15, 1915. 

 Type Locality. — Sierra Laguna, Baja California, Mexico. Altitude, 7,000 feet. 

 Range. — Higher sections of Victoria Mountains in Cape district, Baja California. 



