_Specimens examined._--Total number, 58, distributed as follows: _Pawnee County_: Jct. Pawnee and Arkansas rivers, Larned, 6; 1 mi. S and 1 mi. E Larned, 7. _Edwards County_: 1 mi. W and 3-1/2 mi. S Kinsley, 1. _Kiowa County_: Rezeau Ranch, 5 mi. N Belvidere, 2. _Pratt County_: Pratt, 14; no locality more precise than county, 1. _Meade County_: 3-1/2 mi. NE Fowler, 2; 2 mi. N Fowler, 2; 1-1/2 mi. N Fowler, 2; 1-1/4 mi. N and 3/4 mi. E Fowler, 2; 7 mi. N Meade, Cudahy Ash Pit, 2; 13 mi. SW Meade, 9; State Lake, 2; State Park, 4. _Clark County_: 7 mi. SW Kingsdown, E. A. Stephenson Ranch, 1; 6 mi. S Kingsdown, 1. =Geomys bursarius major= Davis _Geomys lutescens major_ Davis, Texas Agric. Exp. St., Bull. no. 590:32, August, 1940; Hibbard, Trans. Kansas Acad. Sci., 47:75, 1944. _Geomys lutescens_ Merriam, N. Amer. Fauna, 8:129, January 31, 1895. _Geomys breviceps llanensis_, Lantz, Trans. Kansas Acad. Sci., 20 (pt. 2): 215, 1907; Hibbard, Trans. Kansas Acad. Sci., 36:240, 1933; Black, 30th Bienn. Rept. Kansas State Board Agric., 35:182, 1937; Swenk, Missouri Valley Fauna, 2:12, February 1, 1940. _Type locality._--Eight miles west of Clarendon, Donley County, Texas. _Distribution in Kansas._--Southcentral Kansas, northward certainly to Ellsworth County, westward certainly to Stafford and Barber counties and eastward to Cowley County. _Description._--Color: Upper parts varying from Brussels Brown in some specimens to nearly Prout's Brown, especially in specimens from central part of state. Top of head, and sometimes back, darker than rest of upper parts, but no well defined black stripe; underparts varying from whitish to nearly Buffy Brown; fore and hind feet and approximately distal half of tail white. Size: Large (see measurements). Skull: Sagittal crest absent in females and barely present in males; least width of braincase more than distance from alveolus of incisor to middle of lateral border of P^4 at alveolar border. Length of auditory bulla (from anteroventral edge of paroccipital process of exoccipital to hamulus of peterygoid), in each sex, more than 8 mm.; occiput usually vertical when skull is laid top down; zygomatic arch broadly and squarely spreading, divergent anteriorly; rostrum averaging less than twice as long as wide. _Comparisons._--From _G. bursarius lutescens_, _major_ differs in color darker, premaxillae extending slightly farther posteriorly; temporal impressions usually forming a more well-marked sagittal crest in males; ventral side of zygomatic arch, at level of jugal bone, more curved. From _G. bursarius majusculus_, _major_ differs in slightly lighter color, smaller size of body; in males, total length less than 284 mm.; hind foot 34 or less; basilar length of skull less than 42; in females total length less than 264, hind foot no more than 33, and basilar length less than 39.