Abstract The Division of Economic Ornithology and Mammalogy was established by Dr. C. Hart Merriam and the United States Department of Agriculture (USDA) in 1886. Along with Dr. A.K. Fisher, he pioneered research on methods for controlling damage to agriculture by wildlife. The Investigations in Economic Mammalogy and Ornithology contains collection data from bird collections, mammal trapping, and baiting in several western states. Each volume was pre-printed with catalog numbers and bound at the...