244 Field Museum of Natural History — Zoology, Vol. XL 



type 



Map illustrating approximate range of the Pocket Gopher (,Geomys bursarius) , together with 

 localities of other species and subspecies of the genus which occur in the United States. 



the 



Geomys hur sarins (Shaw). Type locality — Upper Mississippi Valley. Description 

 as previously given. 



Geomys lutescens (Merriam). (N. Amer. Fauna, No. 4, 1890, p. 51.) Type local- 

 ity — Sandhills, Birdwood Creek, Lincoln Co., western Nebraska. Paler than 

 bursarius and skull shorter. 



Geomys breviceps Baird. (Proc. Acad. Nat. Sci. Phila., VII, 1855, p. 335). Type 

 locality — Prairie Mer Rouge, Morehouse Parish, Louisiana. Smaller than 

 bursarius, and much darker above and below. 



Geomys b. sagittalis Merriam. (N. Amer. Fauna, No. 8, 1895, p. 134.) Type 

 locality — Clear Creek, Galveston Bay, Texas. Similar to brevipes, but smaller 

 and more highly colored. 



Geomys b. attwateri Merriam. (N. Amer. Fauna, No. 8, 1895, p. 135.) Type 

 locality — Rockport, Aransas Co., Texas. Similar to brevipes, but larger 

 and not so dark. 



Geomys b. llanensis Bailey. (N. Amer. Fauna, No. 25, 1905, p. 129.) Type local- 

 ity — Llano, Llano Co., Texas. Larger and lighter than brevipes; skull more 

 arched. 



