NORTH AMERICAN LAND MAMMALS. 149 



t'-Peromyscus maniculatus sonoriensis (LeConte). 



1853. Hesperomiis sonoriensis LeConte, Proc. Acad. Nat. Sci. 

 Philadelphia, p. 413. 



1885. Hesperomijs leucopus sonoriensis True, Proc. U. S. Nat. 

 Mils., vol. 7 (1884), p. 597. 1885. (Part.) 



1890. Hesperomys leucopus deserticolus Mearns, Bull. Amer. 

 Mus. Nat. Hist., vol. 2, p. 285. Described on page 287. Feb- 

 ruary 21, 1890. (Mohave Desert, San Bei-nardino County, 

 California.) 



1894. Sitoinys insolatus Rhoads, Proc, Acad. Nat. Sci. Phila- 

 delphia, p. 256. October, 1894. (Oro Grande, Mohave 

 Desert, Kern County, California.) 



1903. Peromyscus oresterus Elliot, Field Columb. Mus., publ. 

 74, zool. ser., vol. 3, p. 159. April, 1903. (Vallecitos, San 

 Pedro Martir Mountains, Lower California, Mexico.) 



1909. Peromyscus maniculatus sonoriensis Osgood, North Amer, 

 Fauna, No. 28, p. 89. April 17, 1909. 



Type Locality. — Santa Cruz, State of Sonora, Mexico. 



Range. — Great Basin region in general. Northern Sonora, 

 southern and western Arizona and Utah, exclusive of the 

 higher mountains, northeastern Lower California east of the 

 San Pedro Martir Mountains, southern and eastern California 

 east of the Sierra Nevada and the San Bernardino and asso- 

 ciated ranges, practically all of Nevada, and i)arts of south- 

 eastern Oregon and south-central Idaho. 



*Peromyscus maniculatus coolidgei (Thomas). 



1898. Peromyscus leucopus coolidgei Thomas, Ann. and Mag. Nat. 



Hist., ser. 7, vol. 1, p. 45. January, 1898. 

 1909. Peromyscus maniculatus coolidgei Osgood, North Amer. 



Fauna, No. 28, p. 94. April 17, 1909. 

 Type Locality.— Santa Anita, Cape Region of Lower California, 



Mexico. 

 Range. — Greater part of the peninsula of Lower California from 



Cape St. Lucas northward to the vicinity of the soutluTU base 



of the San Pedro Martir Mountains. 



t*Peromyscus maniculatus margaritae Osgood. 



1905. Peromyscus maniculatus tnargaritse Osgood, North Amer. 



Fauna, No. 28, p. 95. April 17, 1909, 

 Type Locality. — Margarita Island, off west coast of southern 



Lower California, Mexico. 

 Range. — Known only from Margarita Island. 



