Description: Subject File of Stephen A. Forbes (1844-1930), Director of the State Natural History Laboratory (1877-1917), State Entomologist (1882-1917), professor of Entomology (1884-1929), and Chief of Natural History Survey (1917-30). These files cover his activities for the period 1909-30 with some files for 1879-1909. The files of St. Lab., St. Ento., & Chief of the N.H.S. concern entomological and botanical topics including identification of entomological specimens; appraisal and acquisition of collections of specimens; answers to questions about control of insect pests; surveys of the natural history of the state; reports of field assistants in Illinois; materials about agriculture, forestry, game and fish conservation, sewage treatment and pollution of waterways, and conferences, professional activities, publication and exhibits of N.H.S. Administrative correspondence of St. Lab., St. Ento. and N.H.S. concerns budgets, salaries, position vacancies, personnel matters, annual reports and correspondence with national and state officials such as Governor, Departments of Health, Public Works and Game & Fish Commission and correspondence with agencies and organizations including: American Association of Entomologists and other entomological societies, American Fisheries Society, American Society of Naturalists, Audubon Society, Chicago City Club, Illinois Farmers Institute, Isaak Walton League, National Academy of Sciences and Natural Research Council. Forbes' university correspondence relates to faculty and officials such as the President, Graduate and Agricultural Colleges, Registrar, Senate, University Press, Zoology Department; the university's participation in WWI and Forbes' role in the League to Enforce the Peace; his participation in the establishment of the local A.A.U.P. chapter; and his involvement in other organizations, e.g. American Philo. Society and American Association for the Advancement of Science.