244 Frerp Museum or Naturat History — Zootoey, Vot. XI. 
, 2 > ii 
KEEWATIN ae ; fi 
é 2 & 
J £ nt; ; 
Ey 
Wh 
ee 
yer OG. wrescens 
sia Qécomys breviceps 
Qe ©. soginatis 
OG ©. stwateri 
Q b. Hanensis 
QE eexensis 
QG arenorivs 
@ personatus 
O« p. fallax 
@acomys tua 
Qa. «. mobitensts 
OG. toridenus 
Qt. austrinus 
Wy 4 ©. cotonus 
An ©. cumbertandius 
4 0 
rat ¢ Bee ae Arca of intergradation 
of GES 
= N Pawan — 
Map illustrating approximate range of the Pocket Gopher (Geomys bursarius), together with the 
type localities of other species and subspecies of the genus which occur in the United States. 
Geomys bursarius (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 Batrp. (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. sagiitalis 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 BatLEy. (N. Amer. Fauna, No. 25, 1905, p. 129.) Type local- 
ity — Llano, Llano Co., Texas. Larger and lighter than brevipes; skull more 
arched, 
