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By: Myers, Gertrude. - United States. Office of Experiment Stations.Edition:Publication info: Washington, D.C, U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, Division of Insecticide Investigations, [1939]Volume:Series:Holding Institution: University of Florida, George A. Smathers LibrariesSubjects:BHL Collections: Expanding Access to Biodiversity Literature