UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY

Editors: E. Raymond Hall, Chairman, Henry S. Fitch,

Theodore H. Eaton, Jr.

Volume 12, No. 6, pp. 297-307, 6 figs.

Published May 21, 1962

UNIVERSITY OF KANSAS

Lawrence, Kansas

PRINTED BY

JEAN M. NEIBARGER, STATE PRINTER

TOPEKA, KANSAS

1962

29-3001