272 BULLETIN 79, UNITED STATES NATIONAL MUSEUM. 



t*Perognathus spinatus spinatus Merriam. 



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

 1, p. 21. October 25, 1889. 



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



River, San Bernardino County, Cahfornia. 

 Eange. — Desert region of southern California and northern 



Lower California. 



t*Perognathus spinatus peninsulse Merriam. 



1894. Perognathus spinatus peninsulse Merriam, 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 magdalense Osgood. 



1907. Perognathus spinatus magdalense Osgood, Proc. Biol. Soc. 



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

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



f "^Terognathus spinatus occultus Nelson. 



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



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



1894. 

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



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



nelsoni Townsend.) 

 Type Locality. — Carmen Island, Gulf of Cahfornia, 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 margaritae 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 Dipodomyin^. 



Genus PERODIPUS Fitzinger. 



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

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

 agilis Gambel. 



1890. Dipodops Merriam, North Amer. Fauna, No. 3, p. 71, 

 September 11, 1890. Type, Dipodomys agilis Gambel. 



