TICUL ALVAREZ
Reading edition
University of Kansas Lawrence 1962
University of Kansas Publications, Museum of Natural History Editors: E. Raymond Hall, Chairman, Henry S. Fitch, Theodore H. Eaton, Jr.
Volume 14, No. 11, pp. 139-143 Published April 30, 1962
University of Kansas Lawrence, Kansas
PRINTED BY JEAN M. NEIBARGER, STATE PRINTER TOPEKA, KANSAS 1962 29-2891