Front matter
Reading edition
University of Kansas Publications Museum of Natural History Volume 15, No. 1, pp. 1-148, pls. 1-6, 11 figs. December 20, 1961
Reading edition
University of Kansas Publications Museum of Natural History Volume 15, No. 1, pp. 1-148, pls. 1-6, 11 figs. December 20, 1961