The Baculum in Microtine Rodents

Extensions of Known Ranges of Mexican Bats

Mammals of Mesa Verde National Park, Colorado

Neotropical Bats from Western México

Mammals of the Grand Mesa, Colorado

Subspeciation in the Meadow Mouse, Microtus montanus, in Wyoming and Colorado

Records of Harvest Mice, Reithrodontomys, from Central America, with Description of a New Subspecies from Nicaragua

Subspeciation in the Meadow Mouse, Microtus pennsylvanicus, in Wyoming, Colorado, and Adjacent Areas