244 BULLETIN 19, UNITED STATES NATIONAL MUSEUM. 



*Geomys bursarius (Shaw). 



1800. Mus hursarius Shaw, Trans. Linn. Soc, vol. 5, p. 227. 



1829. Geomys hursarius Richardson, Fauna Boreali- Americana, 

 vol. 1, p. 203. 



1885. Geomys hursarius True, Proc. TJ. S. Nat. Mus., vol 7 

 (1884), p. 599. 1885. 



Type Locality. — Unknown; somewhere in the upper Missis- 

 sippi Valley. 



Range. — Upper Mississippi Valley from a short distance south 

 of the Canadian boundary southward to eastern Kansas, south- 

 eastern Missouri, and southern Illinois; east nearly to Lake 

 Michigan; west in the Dakotas and Nebraska to the ninety- 

 eighth or ninety-ninth meridian. Upper Sonoran and Tran- 

 sition zones. 



t*Geomys lutescens (Merriam). 



1890. Geomys hursarius lutescens Merriam, North Amer. Fauna, 

 no. 4, p. 51. October 8, 1890. 



1895. Geomys lutescens Merriam, North Amer. Fauna, No. 8, 

 p. 127. January 31, 1895. 



Type Locality. — Sandhills on Birdwood Creek, Lincoln County, 

 western Nebraska. 



Range. — The Upper Sonoran belt of the Great Plains from 

 southwestern South Dakota southward to Colorado, Texas, 

 covering the sand-hill region of western Nebraska, extreme 

 eastern Wyoming, western Kansas, eastern Colorado, western 

 Oklahoma, and western Texas, ranging east to or a little 

 beyond the ninety-ninth meridian. 



•j-*Geomys breviceps breviceps Baird. 



1855. Geomys hreviceps Baird, Proc. Acad. Nat. Sci. Philadel- 

 phia, vol. 7, p. 335. 



1895. Geomys hreviceps Merriam, North Amer. Faima, No. 8, 

 p. 129. January 31, 1895. 



Type Locality. — ^Prairie Mer Rouge, Morehouse Parish, Louis- 

 iana. 



Range. — ^The alluvial lowlands of the Mississippi Valley and 

 Gulf coast of southern Arkansas, Louisiana, and Texas, and 

 the valley of the Arkansas River; north nearly to southern 

 Kansas, and west to near the nmety-eighth meridian. Aus- 

 troriparian fauna. 



t* Geomys breviceps sagittalis Merriam. 



1895. Geomys hreviceps sagittalis Merriam, North Amer. Fauna, 

 No. 8, p. 134. January 31, 1895. 



