432 BULLETIN 17 8, UNITED STATES NATIONAL MUSEUM 



*Perognathus monticola Baird. 



Mammals of North America, p. 422, 1857. 

 =Perogn<ithus parvus parvus Peale. See Osgood, North Amer. Fauna 18: 34, 

 Sept. 20, 1900. 



^-. Skin and skull, formerly mounted. Adult female, probably 



collected in the neighborhood of The Dalles, Wasco County, 

 Oreg. 1853. Collected by George Suckley. (See Osgood, 

 North Amer. Fauna 18:36, Sept. 20, 1900.) 



The dismoimted skin is in poor condition. It is much bleached and the 

 ears are more or less broken ; on the posterior parts of body two large 

 areas are without hair. Skull Grade B. 



Baird had no other specimen. 



fPerognathus (Chaetodipus) nelsoni Merriam. 



Proc. Acad. Nat. Sci. Philadelphia 46: 264, Oct. 23 ,1894. (Author's sep- 

 arates dated Sept. 27, 1894. ) 

 =Perognathus nelsoni nelsoni Merriam. See Osgood, North Amer. Fauna 18: 

 53, Sept. 20, 1900. 



50214. Skin and skull. Old female. Hacienda La Parada, about 

 25 miles northwest of the city of San Luis Potosi, State of San 

 Luis Potosi, Mexico. August 19, 1892. Collected by E. W. Nel- 

 son. Original number 3207. 



Well-made skin in good condition ; skull Grade A. 



fPerognathus nevadensis Merriam. 



Proc. Acad. Nat. Sci. Philadelphia 46: 264, Oct. 23, 1894. (Author's sep- 

 arates dated Sept. 27, 1894.) 

 fPerognathus longimembris nevadensis Merriam. See Grinnell, Univ. Cali- 

 fornia Publ. Zool. 40 : 147, Sept. 26, 1933. 



54828. Skin and skull. Adult male. Halleck, East Humboldt 

 Valley, Elko County, Nev. July 4, 1893. Collected by Vernon 

 Bailey. Original number 4070. 



Well-made skin in good condition ; skull Grade A. 



*Perognathus obscurus Merriam. 



North Amer. Fauna 1 : 20, Oct. 25, 1889. 

 =Perognathus spinattus occultns Nelson. See Perognathus spinatus nelsoni 

 Townsend. 



186510. Skin and skull. Adult female. Camp Apache, Grant 

 County, N. Mex. April 30, 1886. Collected by A. W. Anthony. 



Merriam collection number ^|^. 



2848 



Well-made skin in good condition ; skull Grade A. 



*Perognathus olivaceus Merriam. 



North Amer. Fauna 1 : 15, Oct. 25, 1889. 

 =PcrognaihHS parnis oliiaccous Merriam. See Osgood, North Amer. Faima 



18 : 37, Sept. 20, 1900. 



