ning parts of Oklahoma were without a subspecific name. The new subspecies is named and described below.
=Perognathus flavescens cockrumi= new subspecies
Holotype.--Female, subadult (P4 moderately worn), skin with skull, No. 13045, Univ. Kansas Mus. Nat. Hist.; 4-1/2 mi. NE Danville, Harper Co., Kansas; December 1, 1939; obtained by Sam Tihen; original No. 99 of J. A. Tihen.
Range.--South-central Kansas south at least into Dewey County, Oklahoma.
Diagnosis.--Size small; upper parts Ochraceous-Buff (capitalized color terms after Ridgway, Color Standards and Color Nomenclature, Washington, D. C., 1912) heavily suffused with black; postauric