Crayfishes of the Genus Cambarus in Nebraska and Eastern Colorado.
Washington DC: Government Printing Office, 1926. 4to. 87-104 pp. Top and outer edge of front covers are lightly browned. Rear cover is lightly creased, w/ top left corner folded. Light rubbing and soiling to rear cover. Bottom edge of rear cover has light wear. Front cover has stamp from previous owner. Paper provides descriptions of species w/ key to sub-genera and species, geographical distribution, ecology and life histories, parasites, and economic importance. It is part of the Volume XLII Bulletin of the Bureau of Fisheries from 1926. Very Good Pamphlet (Item ID: 45829)