University of Kansas Publications Museum of Natural History Volume 1, No. 20, pp. 407-417, 7 figs. in text December 24, 1948 University of Kansas LAWRENCE 1948 University of Kansas Publications, Museum of Natural History Editors: E. Raymond Hall, Chairman, A. Byron Leonard, Edward H. Taylor Volume 1, No. 20, pp. 407-417, 7 figs. in text December 24, 1948 University of Kansas Lawrence, Kansas PRINTED BY FERD VOILAND, JR., STATE PRINTER TOPEKA, KANSAS 1948 22-3716...

The subspecific identity of beavers from Utah seems never to have been carefully investigated. With the exception of the name Castor canadensis repentinus applied to animals from Zion and Parunuweap canyons by Presnall (1938:14), all other writers from 1897 until the present time, have used for animals from Utah, the name combination Castor canadensis frondator Mearns, the type of which is from Sonora, Mexico. Study of specimens of beavers from Utah, accumulated in the collections of the Museum