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. iSigfuodon hispidtis spadicipt/(/us Bangs, Proc. Boston 
soc. nat. hist., xxviii, p. 192. March, 1898. 
Type locality. — Cape Sable, Monroe County, Florida. 
Sigmodon hispidus texianus (Audubon and Bachman). 
1858. Armcold texidna Audubon and Bachman, Quad. N. 
Amer., iii, p. 229. 
1891. ASifpnodon hispidus texianus Allen, Bull. Amer. mus. 
nat. hist., iii, p. 287. June 80, 1891. 
Type locality. — Brasos River, Texas. 
Sigmodon mascotensis Allen. 
1897. JSi(fmodon nidscotensis 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. /Siffmodon tnminia Mearns, Proc. U. S. nat. mus., 
XVII, p. 180. 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. Ilesperomifs toltecus Saussure, Revue et magasin de 
zoologie, 2d ser., xii, p. 98. 
1897. ASif/modon 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. 
