114 REITHKODONTOMYS. 



Reithrodontomys costaricensis jalapae Merriam. 



Biological Survey collfction. 

 Troc. Wash. Acad. Sci., Ill, p. 552, November 29, 1901. 

 108538. Skin and .skull. Adult male. Jalapa, Vera Cru;'., Mexico. 

 May 10, 1901. Collected by E. W. Nelson and E. A. Goklman. 

 Original number 14712. 



Well-iuade skin in good condition; skull perfect. 



Reithrodontomys klamathensis Merriam. Biological Survey coll. 

 North. Anier. Fauna, No. 16, p. 93, 1S99. 

 9.5-1-1:4. Skin and .skull. Adult male. Big Spring (or Mayten), 

 Sha.sla Valley, California. September 18, 1898. Collected by 

 W. H. Osgood. Original number 281. 

 Well-made skin in good condition; skull perfect. 



Reithrodontomys levipes Merriam. Biological Survey collection. 

 Proc. Wash. Acad. Sci., Ill, pp. 554-555, November 29, 1901. 

 88057. Skin and skull. Adult male. San Sebastian, Jalisco, Mexico. 

 March 30, 1897. Collected by E. W. Nelson and E. A. Goldman. 

 Original number 10839. 



Well-made skin in good condition; skull perfect. 



Reithrodon longicauda Baird. Cotypes. 



Mammals of North America, p. 451, 1857. 

 =Reithrodontomys longicauda (Baird). See Allen, Bull. Amer. Mus. Nat. Hist., 

 Vll, p. 129, iMay 21, 1S95. 



iHI* Skin and skull. Female. Original number 231. 



lUh Skin and skull. Male. Original number 232. 



Ilff. Skin and skull. Male. Original number 239. 



2581 to 2591, both inclusive, alcoholics. 



All collected at Petaluma, California, by E. Samuels. iHf, 

 HVi-> catalogued April 24, 1856; ^|f ?? June 24, 185(3; the alcoholics, 

 April, 1857; 2582, 2584, and 25S8 are recorded in the catalogue as 

 "Distributed to C. E. Aiken, June, 1872." 



Of the.se fourteen specimens all that can now be found is the skull of ^11|. 

 The supraoccipital bone has been broken away; the angular process of the left 

 half of the manilil>le is broken off, and all the molars on the upper right-hand 

 side are lost. 



No type is designated and there is absolutely nothing by which any one <>f 

 Baird's 15 specimens can be picked out as a type. Fourteen of the specimens 

 came from Petaluma, California, and a single one froui San Francisco. The 

 former are regarded as cotypes and the type-locality fixed at Petaluma. (See 

 Miller and Rehn, Proc. Bos't. Soc. Nat. Hist., XXX, p. 97, December 27, 1901.) 



Reithrodon megalotis Baird. 



Mannnals of North America, p. 451, pi. 84, fig. 4, 1857. 

 = Reithrodontomys megalotis (Baird). See Allen, Bull. Amer. Mus. Nat. Hist., 

 V, p. 79, April 23, 1893. 



