MILLER AND REHN: NORTH AMERICAN MAMMALS. 91 



TYPE LOCALITY. Left bank of the Rio Grande, about six 

 miles above El Paso, El Paso County, Texas. 



Sigmodon hispidus spadicipygus Bangs. 



1898. Sigmodon hispidus spadicipygus BANGS, Proc. Boston 



soc. nat. hist., xxvm, p. 192. March, 1898. 

 TYPE LOCALITY. Cape Sable, Monroe County, Florida. 



Sigmodon hispidus texianus (Audubon and Bachman). 



1853. Arvicola texiana AUDUBON and BACHMAN, Quad. N". 



Amer., in, p. 229. 

 1891. Sigmodon hispidus texianus ALLEN, Bull. Amer. mus. 



nat. hist., HI, p. 287. June 30, 1891. 

 TYPE LOCALITY. Brasos River, Texas. 



Sigmodon mascotensis Allen. 



1897. Sigmodon mascotensis ALLEN, Bull. Amer. mus. nat. 



hist., ix, p. 54. March 15, 1897. 



TYPE LOCALITY. Mineral San Sebastian, Mascota, State of 

 Jalisco, Mexico. 



Sigmodon minimus Mearns. 



1894. /Sigmodon minima MEAKNS, Proc. U. S. nat. mus., 

 xvn, p. 130. July 19, 1894. 



TYPE LOCALITY. Upper corner monument, Grant County, New 

 Mexico, on the Mexican boundary line, 100 miles west of the 

 initial monument on the west bank of the Rio Grande. 



Sigmodon toltecus ( Saussure ) . 



1860. Hesperomys toltecus SAUSSURE, Revue et magasin de 



zoologie, 2d ser., XH, p. 98. 

 1897. Sigmodon toltecus ALLEN, Bull. Amer. mus. nat. hist., 



ix, p. 54. March 15, 1897. 

 TYPE LOCALITY. Mountains of the State of Vera Cruz, 



Mexico. 



Genus ORYZOMYS Baird. 



1857. Oryzomys BAIRD, Mamm. N. Amer., p. 458. Type. 

 Mus palustris HARLAN. 



