REITHRODONTOM YS — ( (RYZOMYS. 117 



Reithrodontomys tenuirostris Moiriaiii. IJioloou-ul Survey coll. 



Proc. Wash. Acad. 8oi , III, pp. 547-548, November 29, lilOl. 



76910. Skin and .skall. Adult male. Todo-s Santos, Guatemala. 

 December i21>, isnf). ColUvted by E. W. Xel.><on and E. A. (Jold- 

 man. Origiiuil number 8917. 



Well-made .<kiu in good condition; skull perfect. 



Reithrodontomys levipes toltecus Merriam. Biological Survej'coll. 

 Pro<-. Wa.*;!!. Acad. Sci., Ill, pp. 555-556, November 29, 1901. 



6071(j. Skin and skull. Adult female. Tlalpam, Federal District, 

 Mexico. December 1, 1892. Collected by E. W, Nelson and 

 E. A. Goldman. Original number 8935. 

 Well-madt- skin in frood condition; skull perfect. 



Reithrodontomys chrysopsis tolucae Merriam. Biol. Survey coll. 

 Proc. Wa-^h. Acad. Sci., Ill, p. 549, November 29, 1901. 

 55895. Skin and skull. Adult female. North slope Volcan Toluca, 

 Mexico, Mexico; altitude 11,500 feet. September 10, 1893. Col- 

 lected by E. W. Nelson and E. A. Goldman. Original number 

 5154. 



Well-made skin in good condition; sknll ])erlect. 



Reithrodontomys megalotis zacatecse ^lerriam. Biol. SurA ey coll. 

 Proc. Wash. Acad. Sci., HI, j). 557, Novemlx-r 29, 1901. 

 91910. Skin and skidl. Adult female. Valparaiso Mountains, Zaca- 

 tecas, Mexico. December 0, 1897. Collected by E. W. Nelson 

 and E. A. Goldman. Original number 11859. 



Well-made skin in good condition; sknll jierfect, except for limken /vgoniata. 



Genus ORYZOMYS. 



Oryzomys albiventer Merriam. Biological Survey collection. 



Proc. Wash. Acad. Sci., Ill, pp. 279-280, July 26, 1901. 

 82236. Skin and skull. Adult male. Ameca, Jalisco, Mexico. Feb- 

 ruary 0, 1S97. Collected by E. W. Nelson and E. A. Goldman. 

 Original numl)er lOlTs. 



Well-made skin in good condition; sknll perfect, except for broken right man- 

 dibular rannis. 



Oryzomys angusticeps Merriam. Biological Survey collection. 



Pn..'. Wash. .\iad. Sci., Ill, p. 292, July 26, 1901. 



76816. Skin and skull. Adult male. Volcan Santa Maria, Guate- 

 mala. January 22, 1896. Collected })y E. W. Nelson and E. A. 

 Goldman. Original number 9190. 



Well-made skin in good condition; skull i)erfect, except for absence of left 

 audita! bulla. 



