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List of Workers in Subjects Pertaining to Agriculture and Home Economics in the U.S. Department of Agriculture and in the State Agricultural Colleges and Experiment Stations
Contents: --pt. 1. U.S. Dept. of Agriculture. --pt. 2. State agricultural colleges and experiment stations.
A Review of the Parasitic Wasps of the Ichneumonid Genus Exenterus Hartig
This review of parasitic wasps is motivated by the discovery within the past several years that three European species of pine-feeding sawflies have become established in North America, which prompted interest in the parasites of the sawflies in this group.
