. Bulletin. Natural history; Natural history. 100 Illinois Natural History Survey Bulletin Vol. 27, Art. History Survey as Systematic Entomolo- gist. This was in 1923. Upon Forbes' death in 1930, Prison was made Acting Chief, and on July 1. 1931, he was ap- pointed Chief. Prison was an indefatigable worker, becoming a specialist in bumble bees, concluded that it would be essential that the\- attempt to obtain funds for a sepa- rate building. In this attempt they were successful. The University assigned an area for the building, and in 1940 the two Surveys began the move into a new Natural Reso
. Bulletin. Natural history; Natural history. 100 Illinois Natural History Survey Bulletin Vol. 27, Art. History Survey as Systematic Entomolo- gist. This was in 1923. Upon Forbes' death in 1930, Prison was made Acting Chief, and on July 1. 1931, he was ap- pointed Chief. Prison was an indefatigable worker, becoming a specialist in bumble bees, concluded that it would be essential that the\- attempt to obtain funds for a sepa- rate building. In this attempt they were successful. The University assigned an area for the building, and in 1940 the two Surveys began the move into a new Natural Resources Building, built for I. Leo Roy Tehon, Acting Chief, Illinois Natural History Survey, 1945-1947. aphids, and stoneflies. His tenure as Chief was marked by growth in staff and facili- ties. In the 1930's the growth of his or- ganization was such that it was difficult to find space for the personnel in the rooms which the University could devote to use of the Natural History Survey. Dr. Prison and Dr. M. M. Leighton, Chief of the Illinois Geological Survey, conferred on the problems of space and their occupancy. The building, and subse- quent wings which were completed in 1950. were given to the University and added to that organization's inventory. For the first time, the Natural History Survey had a home which it could really call its own. Prison had wide interests, and immedi- ately upon becoming Chief he began the development of wildlife research. This. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division
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