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

Neotropical Bats from Northern Mexico

Extensions of Known Ranges of Mexican Bats

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

Mammals of the Grand Mesa, Colorado

Mammals of Mesa Verde National Park, Colorado

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

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

Extensions of Known Ranges of Mexican Bats

Mammals of the Grand Mesa, Colorado

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