NORTH AMEEICAN LAND MAMMALS. 155 



Peromyscus leucopus texanus — Continued. 



Range. — Southern Texas and eastern Mexico, chiefly in the 

 States of TamauUpas and Nuevo Leon ; extending west to the 

 vicinity of the mouth of the Pecos River, north to about lati- 

 tude 33° north, east to west side of Galveston Bay, and south 

 to State of San Luis Potosi. Lower Sonoran zone. 



t*Peromyscus leucopus mesomelas (Osgood). 



1904. Peromyscus texanus mesomelas Osgood, Proc. Biol. Soc. 



Washington, vol. 17, p. 57. March 21, 1904. 

 1909. Peromyscus leucopus mesomelas Osgood, North Amer. 



Fauna, No. 28, p. 132. April 17, 1909. 

 Type Locality. — Orizaba, Vera Cruz, Mexico. 

 Range. — Humid tropics of central Vera Cruz and northern 



Puebla, Mexico. 



t*Peromyscus leucopus castaneus (Osgood). 



1904, Peromyscus texanus castaneus Osgood, Proc. Biol. Soc. 



Washington, vol. 17, p. 58. March 21, 1904. 

 1909. Peromyscus leucopus castaneus Osgood, North Amer. 



Fauna, No. 28, p. 133. April 17, 1909. 

 Type Locality. — Yohaltun. Campeche, Mexico. 



t*Peromyscus leucopus affinis (Allen). 



1891. Hesperomys (Vesperimus) ajfims Allen, Proc. U. S. Nat. 

 Mus., vol. 14, p. 195. July 24, 1891. 

 tl898. Peromyscus musculoides Merriam, Proc. Biol. Soc. Wash- 

 ington, voi. 12, p. 124. April 30, 1898. (Cuicatlan, State of 

 Oaxaca, Mexico.) 



1909. Peromyscus leucopus affinis Osgood, North Amer. Fauna 

 No. 28, p. 133. April 17, 1909. 



Type Locality. — Barrio, State of Oaxaca, Mexico. (See Allen 

 and Chapman, Bull. Amer. Mus. Nat. Hist., vol. 9, p. 7, Feb- 

 ruary 23, 1897.) ■ 



Range. — Arid tropical parts of southern and central Oaxaca; 

 northeast to southern Vera Cruz and parts of Yucatan. 



t*Peromyscus leucopus cozumelae (Merriam). 



1901. Peromyscus cozumelse. jMerriam, Proc. Biol. Soc. Washing- 

 ton, vol. 14, p. 103. July 19, 1901. 



1909. Peromyscus leucopus cozumelse. Osgood, North Amer. 

 Fauna, No. 28, p. 135. April 17, 1909. 



Type Locality. — Cozumel Island, off coast of Yucatan, Mexico. 



Range. — Cozumel Island. 



