FIELD BOOK OF MAMMALS 



males, 1.44 inches, females, 1.28 inches. Found in extreme 

 southeastern Georgia in a restricted area between Crooked 

 River on the north, Dark Entry Creek on the east, St. 

 Mary's River on the south and Miller's Branch on the West. 

 Cumberland Island Pocket Gopher. — Geomys cumherlandius 

 Bangs. 

 Size very large; tail long. Upperparts bright cinnamon to 

 russet with well-defined, dark dorsal band; hands and feet 

 grayish white; underparts washed with cinnamon, pelage 

 plumbeous at base, irregular blotches of white under chin 

 and on wTists. Total length, males, 12.8 inches, females, 

 1 1.2 inches; tail vertebras, males, 4.3 inches, females, 3.8 

 inches; hind foot, males, 1.44 inches, females, 1.36 inches. 

 Found only on Cumberland Island, Camden County, 

 Georgia. 



Bursarius Group 



Shaw Pocket Gopher; Mississippi Valley Pocket Gopher. — ■ 



Geomys hur sarins (Shaw). Plate XXVI. 

 Large in size and dark in color. Upperparts dark brown to 

 chestnut; forefeet white, hind feet dirty white; tail white, 

 toward tip, brownish toward body; underparts lighter 

 brown than upperparts. Total length, males, 11.9 inches, 

 females, 10.6 inches; tail vertebras, males, 3.6 inches, fe- 

 males, 3.1 inches; hind foot, males, 1.5 inches, females, 1.36 

 inches. Found in "Upper Mississippi Valley from a short 

 distance south of the Canadian boundary southward to 

 eastern Kansas, southeastern Missouri, and southern Illi- 

 nois; east nearly to Lake Michigan, west in the Dakotas and 

 Nebraska to the ninety-eighth or ninety-ninth meridian. 

 Upper Sonoran and Transition Zones." (Miller) 



Breviceps Group 



Yellow Pocket Gopher. — Geomys lutescens (Merriam). 



A pale, medium-sized species, with tail of medium length; 

 scantily haired. Upperparts (summer) pale, dull yellowish 

 to buffy ochraceous; underparts buffy ; in winter drab above, 

 with many black-tipped hairs along dorsal line to form dor- 

 sal band. Total length, males, 10.8 inches, females, 9.8 

 inches; tail vertebras, males, 3.4 inches, females, 2.9 inches; 

 hind foot, males, 1.34 inches, females, 1.26 inches. Found 

 in "The Upper Sonoran belt of the Great Plains from south- 

 western South Dakota southward to Colorado, Texas, 

 covering the sand-hill region of western Nebraska, extreme 

 eastern Wyoming, western Kansas, eastern Colorado, west- 

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

 little beyond the ninety-ninth meridian." (Miller) 



Louisiana Pocket Gopher. — Geomys breviceps breviceps Baird. 

 Smaller than lutescens. Upperparts dark russet-brown; 

 sides paler and yellower; tail naked except for dusky hairs 



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