UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY

Editors: E. Raymond Hall, Chairman, A. Byron Leonard,

Robert W. Wilson

Volume 5, No. 29, pp. 515-526, 7 figures in text

August 1, 1953

UNIVERSITY OF KANSAS

Lawrence

1953

PRINTED BY

FERD VOILAND, JR., STATE PRINTER

TOPEKA. KANSAS

1953

24-7673