Volume 9, No. 4, pp. 85-104, 2 figs. in text

May 10, 1956

Subspeciation in the Meadow Mouse, Microtus pennsylvanicus, in Wyoming, Colorado, and Adjacent Areas

BY

SYDNEY ANDERSON

UNIVERSITY OF KANSAS LAWRENCE 1956

UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY

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