1 1 2 REITHRODONTOMY8. 



Reithrodontomys tenuirostris aureus Merriam. Biol. Survov (:oll. 

 Proc. Wash. Acad. Sci., JII, p. 548, November 29, 1901. 



7098i», Skill and skull. Adult female. Calel, Guatemala. Jamiarv 

 15, 1890. Collected by E. W. ?s'elson and E. A. Goldman. Orij^i- 

 nal numlier !»14<). 



Well-made skin in ijood condition ; skull perfect. 



Reithrodontomys chrysopsis Merriam. Biolog-ical Survey coll. 



Pioc. Biol. Soc. Wash., XIII, p. 152, June 13, 1900. 



52U31. Skin and skull. Adult male. Mount Popocatepetl, Mexico. 

 February 25, 1898. Collected by E. W. Nelson and E. A. Gold- 

 man. Original number 4-t05. 



Well-made skin in jiood condition ; skull perfect. 



Reithrodontomys saturatus cinereus Merriam. Hiol. Survey coll. 

 Proc. Wash. Acad. Sci., Ill, p. 556, November 29, 1901. 



58623. Skin and skull. Adult male. Chalchicomula, Puebla, Mex- 

 ico. April 18, 1S98. Collected by E. W. Nelson and E. A. Gold- 

 man. Original number 4059. 



Well-made skin in <j:ood condition ; skull perfect. 



Reithrodontomys colimae Merriam. Biolooical Survey collection. 



Proc. Wash. Acad. Sci., Ill, p. 551, Novend)er 29, 1901. 



'ii'ill- Skin and skull. Adult male. Sierra Nevada de Colinia, Ja- 

 lisco, Mexico; altitude 12,(M)() feet. April 18, 1892 (not April 21, 

 1892, as in original description). Collected b}'^ E. W. Nelson auvl 

 E. A. Goldman. Original number 244:7. 

 Well-made .skin in p)od condition ; skull perfect. 



Reithrodontomys megalotis deserti Allen. Biological Survey coll. 

 Bull. Amer. Mns. Nat. Hist., VII, pp. 114, 127-129, May 20, 1895. 



5»i??- Skin and skull. Adult female. Oasis Valley, Nye County, 

 Nevada. March 10, 1891. Collected l)y F. Stephens. Original 

 number 149. 



Well-made skin in >jood condition; skull lacking left half of brain case, includ- 

 \ng audita! bulla. 



Reithrodontomys difficilis Merriam. Biological Survey collection. 

 Proc. Wash. Acad. Sci., HI, p. 556, November 29, 1901. 



03735. Skin and skull. Adult male. Orizaba, Vera Cruz, Mexico. 

 February 2(), 1894. Collected by E. W. Nelson and E. A. Gold- 

 man. Original number 5868. 



Well-madi' skin in good condition; skull perfect. 



