134 BULLETIN 19, UNITED STATES NATIONAL MUSEUM. 



Reithrodontomys megalotis sestinensis Allen. 



1903. Reithrodontomys megalotis sestinensis Allen, Bull. Amer. 



Mils. Nat. Hist., vol. 19, p. 602. November 12, 1903. 

 Type Locality. — Rio Sestin, northwest Durango, Mexico. 



t*Reithrodontomys megalotis zacatecae Merriam. 



1901. Reithrodontotnys megalotis zacatecse Merriam, Proc. Wash- 

 ington Acad. Sci., vol. 3, p. 557. November 29, 1901. 



Type Locality. — Valparaiso Mountains, State of Zacatecas, 

 Mexico. 



t*Reithrodontomys merriami Allen. 



1895. Reithrodontomys merriami Allen, Bull. Amer. Mus. Nat. 



Hist., vol. 7, p. 119. May 21, 1895. 

 Type Locality. — Austin Bayou, near Alvin, Brazoria Count}', 

 Texas. 



*Reithrodontomys mexicanus mezicanus (Saussure). 



1860. Reithrodon mexicanus Saussure, Revue et magasin de 



zoologie, ser. 2, vol. 12, p. 109. 

 1885. Ochetodon mexicanus True, Proc. U. S. Nat. Mus., vol. 7 



(1884), p. 598. 1885. 

 1895. Reithrodontomys mexicanus Allen, Bull. Amer. Mus. 



Nat. Hist., vol. 7, p. 135. May 21, 1895. 

 Type Locality. — Mountains of Vera Cruz, Mexico. 



t*Reithrodontomys mexicanus aurantius Allen. 



1895. Reithrodontomys mexicanus aurantius Allen, Bull. Amer. 



Mus. Nat. Hist., vol. 7, p. 137. May 21, 1895. 

 Type Locality. — Lafayette, Lafayette Parish, Louisiana. 



*Reithrodontomys mexicanus gracilis Allen and Chapman. 



1897. Reithrodontomys mexicanus gracilis Allen and Chap- 

 man, Bull. Amer. Mus. Nat. Hist., vol. 9, p. 9. February 23, 

 1897. 



Type Locality. — Chichenitza, Yucatan. 



*Reithrodontomys mexicanus intermedius Allen. 



1895. Reithrodontomys mexicanus intermedius Allen, Bull. 



Amer. Mus. Nat. Hist., vol. 7, p. 136. May 21, 1895. 

 Type Locality. — Brownsville, Cameron County, Texas. 



Regarded by Bailey (North Amer. Fauna, No. 25, p. 104, October 24, 1905) 

 as a distinct species. 



t*Reithrodontomys microdon microdon Merriam. 



1901. Reithrodontomys microdon Merriam, Proc. Washing- 

 ton Acad. Sci., vol. 3, p. 548. November 29, 1901. 



Type Locality. — Todos Santos, Guatemala. Altitude, 10,000 

 feet. 



