[Title unknown.] North American Fauna, No. 5 1891: Unpaginated. 76 [Zoological Record Volume 28]
The North American Fauna (U. S. Department of Agriculture). No. 5. Results of a Biological Reconnaissance of South Central Idaho; and Descriptions of a New Genus and Two New Species of North American Mammals. 1891: 112 pp.. 76 [Zoological Record Volume 28]