272 BULLETIN 79, UNITED STATES NATIONAL MUSEUM. 



t*Perognathus spinatus spinatus Merriam. 



1889. Perognaihus spinatus Merriam, North Amer. Fauna, No. 

 1, p. 21. October 25, 1889. 



Type Locality. — Twenty-five miles below the Needles, Colorado 



Kiver, San Bernardino County, Cahfornia. 

 Range. — Desert region of southern Cahfornia and northern 



Lower Cahfornia. 



t*Perognathus spinatus peninsulse Merriam. 



1894. Perognathus spinatus peninsula ]\Iereiam, Proc. Cah- 

 fornia Acad. Sci., ser. 2, vol. 4, p. 460. September 25, 1894. 

 Type Locality. — San Jose del Cabo, Lower Cahfornia, Mexico, 

 Range. — Cape region of Lower Cahfornia. 



t*Perognathus spinatus magdalenae Osgood. 



1907. Perognatlius spinatus magdalense Osgood, Proc. Biol. See. 



Washington, vol. 20, p. 21. February 23, 1907. 

 Type Locality. — Magdalena Island, Lower Cahfornia, Mexico. 



■J-*Perognathus spinatus occultus Nelson. 



1912. Perognathus spinatus nelsoni Townsend, Bull. Amer. Mus. 



Nat. Hist., vol. 31, p. 122. June 14, 1912. Not of Merriam, 



1894. 

 1912. Perognathus spinatus occultus Nelson, Proc. Biol. Soc. 



Washington, vol. 25, p. 116. June 29, 1912. (Substitute for 



nelsoni Townsend.) 

 Type Locality. — Carmen Island, Gulf of California, Mexico. 



*Perognathus bryanti Merriam. 



1894. Perognathus hryanti Merriam, Proc. California Acad. Sci., 



ser. 2, vol. 4, p. 458. September 25, 1894. 

 Type Locality. — San Jose Island, Lower California, Mexico. 



t*Perognathus margaritse Merriam. 



1894. Perognathus margaritse Merriam, Proc. California Acad. 



Sci., ser. 2, vol. 4, p. 459. September 25, 1894. 

 Type Locality. — Santa Margarita Island, Lower California. . 



Subfamily DlPODOMYiN^. J^o>'^ ^'^"'^^ 

 Genus PERODIPUS Fitzinger. 



1867. Perodipus Fitzinger, Sitzungsber. math-nat. Classe, k. 

 Akad. Wissensch. Wien, vol. 56, p. 126. Type, Dipodomys 

 agilis Gambel. 



1890. Dix>odops ]\'Ierriam, North Amer. Fauna, No. 3, p. 71. 

 September 11, 1890. Type, Dipodomys agilis Gambel. 



