470 U. S. NATIONAL MUSEUM BULLETIN 205 



Peromyscus eremicus fraterculus (Miller)* 



1892. Vesperimus fraterculus Miller, Amer. Nat., vol. 26, p. 261, March 1892. 



1893. Sitomys herronii Rhoads, Amer. Nat., vol. 27, p. 832, September 1893. 

 (Reche Canyon, San Bernardino County, Calif.) 



1894. Sitomys herroni nigellus Rhoads, Proc. Acad. Nat. Sci. Philadelphia, 

 vol. 46, p. 257, Oct. 23, 1904. (West Cajon Pass, San Bernardino County, 

 Calif.) 



1898. P[eromyscus] eremicus fraterculus J. A. Allen, Bull. Amer. Mus. Nat. 



Hist., vol. 10, p. 154, Apr. 12, 1898. 

 1903. Peromyscus homochroia Elliot, Field Columb. Mus. Publ. 74, Zool. 

 Ser., vol. 3, No. 10 (April) , p. 158, May 7, 1903. (San Quintin, Baja Cali- 

 fornia, Mexico.) 

 Type Locality. — Dulzura, San Diego County, Calif. Range. — Northwestern 

 Baja California northward through San Diegan district, entirely west of higher 

 mountains, as far as Nordhoff, Ventura County; eastward to Campo, San Diego 

 County, and Redlands, San Bernardino County, Calif. (Grinnell, Univ. Cali- 

 fornia Publ. Zool, vol. 40, No. 2, p. 173, Sept. 26, 1933) . 



Peromyscus eremicus cedrosensis J. A. Allen* 



1898. Peromyscus cedrosensis J. A. Allen, Bull. Amer. Mus. Nat. Hist., vol. 10, 



p. 154, Apr. 12, 1898. 

 1909. Peromyscus eremicus cedrosensis Osgood, North Amer. Fauna No. 28, 



p. 244, Apr. 17, 1909. 

 Type Locality. — Cerros (Cedros) Island, Baja California, Mexico. Range. — 

 Cedros Island. 



Peromyscus eremicus eva Thomas* 



1898. Peromyscus eva Thomas, Ann. Mag. Nat. Hist., ser. 7, vol. 1, p. 44, 



January 1898. 

 1898. Peromyscus eremicus propinquus J. A. Allen, Bull. Amer. Mus. Nat. 

 Hist., vol. 10, p. 154, Apr. 12, 1898. (San Pablo Point, Baja California, 

 Mexico.) 

 1909. Peromyscus eremicus eva Osgood, North Amer. Fauna No. 28, p. 245, 



Apr. 17, 1909. 

 Type Locality. — San Jose del Cabo, Baja California, Mexico. Range. — Lower 

 Sonoran Zone of central and southern part of Peninsula of Baja California, 

 from Cape San Lucas north to vicinity of lat. 29° N., meeting ranges of eremicus 

 and fraterculus. 



Peromyscus eremicus polypolius Osgoodf* 



1909. Peromyscus eremicus polypolius Osgood, North Amer. Fauna No. 28, 



p. 248, Apr. 17, 1909. 

 Type Locality. — [Santa] Margarita Island, off west coast of southern Baja 

 California, Mexico. Range. — Confined to Santa Margarita Island. 



Peromyscus eremicus avius Osgoodf* 



1909. Peromyscus eremicus avius Osgood, North Amer. Fauna No. 28, p. 247, 

 Apr. 17, 1909. 



Type Locality. — Ceralbo Island, Gulf of California, Baja California, Mexico. 

 Range. — Confined to Ceralbo Island. 



