Two new gophers from Utah

A study of mammals in the collection of the University of Utah, taken in western Utah during the summer of 1936 has brought out some interesting differences in the genus Thomomys. Series of gophers from Wah Wah Springs, Beaver County, and from Oak Creek Canyon, Millard County, differ sufficiently from named races of Thomomys and from each other to be given subspecific rank. The author is indebted to Dr. E. Raymond Hall of the Museum of Vertebrate Zoology, University o f California, Berkeley, California, for aid in comparison of specimens, and to the afore-mentioned museum for the loan o f comparative material. The diagnoses arc as follows: