Description: Papers of Lyell Jay Thomas (1892- ), professor of zoology (1927-61), including personal correspondence (1930-65), personal class notes (1919-22), bibliographical data pertaining to Henry B. Ward, Ward's lectures on parasitology and a list of Ph.D. and M.S. degrees earned by students in the zoology department while Ward was chairman. The papers also include research reports (1933-36) when Thomas was a summer instructor at the University of Michigan Biological Station, data collected while a consultant at the U.S. Air Force Arctic Aeromed Laboratory (1955) and on a research trip to Bimini (1951) and a selection of course papers written by his students. The series includes College of Liberal Arts and Sciences and Zoology department material (1920-33, 1936-39, 1950-66), lecture notes on parasitology (1912-33) and zoology (1908-40), research notes and drawings on parasites and material relating to the Illinois Junior Academy of Science (1931-38, 1963, 1970), science clubs and the teaching of science.