-
By: Burch, J. B. (John Bayard), - United States. Agricultural Research Service.Edition:Publication info: Washington, D.C, U.S. Dept. of Agriculture, Agricultural Research Service, 1960Volume: no.82-1Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Slugs (Mollusks) Snails Snails as carriers of diseaseBHL Collections: