312 BULLETIN 128, UNITED STATES NATIONAL MUSEUM. 



t*Reithrodontomys fulvescens diflicilis — Continued. 



1901. Reithrodontomys difficilis Merriam, Proc. Washington 



Acad. Sci., vol. 3, p. 556. November 29, 1901. 

 1914. Reithrodontomys fulvescens difficilis Howell, North Amer. 



Fauna No. 36, p. 50. June 5, 1914. 

 Type Locality. — Orizaba, Vera Cruz, Mexico. Altitude, 4,500 



feet. 

 Range. — Interior mountain slopes along the southern end of 



the Mexican table-land in the States of Vera Cruz and Puebla . 



t*Reithrodontomys fulvescens toltecus (Merriam). 



1901. Reithrodontomys levipes toltecus Merriam, Proc. Washing- 

 ton Acad. Sci., vol. 3, p. 555. November 29, 1901. 



1903. Reithrodontomys inexspectatus Elliot, Field Columbian 

 Mus., publ. 71, zool. ser., vol. 3, p. 145. February, 1903. 

 (Patzcuaro, Michoacan, Mexico.) 



1914. Reithrodontomys fulvescens toltecus Howell, North Amer. 

 Fauna, No. 36, p. 51. June 5, 1914. 



Type Locality. — ^Tlalpam, Federal District, Mexico. 



Range. — Table-land region of southern Mexico, from southern 

 San Luis Potosi to Michoacan and the Valley of Mexico. 



t*Reithrodontomys fulvescens helvolus (Merriam). 



1901. Reithrodontomys griseoflavus helvolus Merriam, Proc. 



Washington Acad. Sci., vol. 3, p. 554. November 29, 1901. 



1914. Reithrodontomys fulvescens helvolus Howell, North Amer. 



Fauna, No. 36, p. 52. June 5, 1914. 

 Type Locality. — Oaxaca City, State of Oaxaca, Mexico. 

 Range. — Interior plateau of Oaxaca, Guerrero, and Puebla. 



t*Reithrodontomys fulvescens chiapensis Howell. 



1914. Reithrodontomys fulvescens chiapensis Howell, North 



Amer. Fauna, No. 36, p. 53. June 5, 1914. 

 Type Locality. — Canjob, Chiapas, Mexico. 

 Range. — Highlands of Chiapas. 



t*Reithrodontomys fulvescens nelsoni Howell. 



1914. Reithrodontomys fulvescens nelsoni Howell, North Amer. 



Fauna, No. 36, p. 53. June 5, 1914. 

 Type Locality. — Colima, State of Colima, Mexico. 

 Range. — Coast region of Colima (and Jalisco?). 



t*Reithrodontomys fulvescens mustelinus Howell. 



1914. Reithrodontomys fulvescens mustelinus Howell, North 



Amer. Fauna, No. 36, p. 54. June 5, 1914. 

 Type Locality. — Llano Grande, Oaxaca, Mexico. 

 Range. — Coast region of Oaxaca and Guerrero. 



