Volume 7, No. 12, pp. 591-608

March 15, 1955

Geographic Variation in the Pocket Gopher, Cratogeomys castanops, in Coahuila, México

BY ROBERT J. RUSSELL AND ROLLIN H. BAKER

~University of Kansas~ ~Lawrence~ 1955

~University of Kansas Publications, Museum of Natural History~

Editors: E. Raymond Hall, Chairman, A. Byron Leonard, Robert W. Wilson