176 sigmodon. 



Berlandier's Cotton Rat. 



Type locality. Rio Nazas, State of Coahuila, Mexico. 



Geogr. Distr. Rio Grande and Pecos Valleys from Brownsville 

 and El Paso, Texas, and Carlsbad, New Mexico, south to southern 

 part of State of Jalisco, Mexico. 



e. Sigrnodon hispidus eremicus Meams. 



Sigmodon hispidus eremicus Meams, Proc. U. S. Nat. Mus., 1897, 

 p. 504. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, 

 p. 145. Zool. Ser. Id. Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub,, IV, Pt. I, 1904, p. 227. Zool. Ser. 

 Western Desert Cotton Rat. 



Type locality. Cienega Well, State of Sonora, Mexico, on east 

 bank of the Colorado River, 30 miles south of monument No. 204 on 

 the United States and Mexico boundary line. 



Geogr. Distr. Both sides of the Lower Colorado River. 



/, Sigmodon hispidus arizonm Meams. 



Sigmodon hispidus arizoncB Meams, Bull. Am. Mus. Nat. Hist. 



N. Y., 1890, p. 287. Elliot, Syn. N. Am. Mamm., F. C. M. 



Pub., II, 1901, p. 144. Zool. Ser. Id. Mamm. Middle Amer. 



& W. Indies, F. C. M. Pub., iv, Pt. i, 1904, p. 228. Zool. Ser. 



Arizona Cotton Rat. 



Type locality. Fort Verde, Yavapai County, Arizona. 

 Geogr. Distr. Arizona, limits of range unknown. 



g. Sigmodon hispidus mascotensis (Allen). 



Sigmodon mascotensis Allen, Bull. Am. Mus. Nat. Hist. N. Y., 



1897, p. 54. 

 Sigmodon colim^s Allen, Bull. Am. Mus. Nat. Hist. N. Y., 1897, 



P- 55- 

 Sigmodon hispidus mascotensis Elliot, Mamm. Middle Amer. & 



W. Indies, F. C. M. Pub., iv, Pt. i, 1904, p. 227. Zool. Ser. 



Mascota Cotton Rat. 



Type locality. San Sebastian, near Mascota, State of Jalisco, 

 Mexico. 



Geogr. Distr. West coast of Mexico from western part of the 

 State of Jalisco to southern portion of the State of Oaxaca. 



h, Sigmodon hispidus tonalensis Bailey. 



Sigmodon hispidus tonalensis Bailey, Proc. Biol. Soc. Wash., xv, 

 1902, p. 109. Elliot, Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub., IV, Pt. I, 1904, p. 229. Zool. Ser. 



