This accession consists of the records of research zoologist Roy W. McDiarmid and his work at the Patuxent Wildlife Research Center, United States Geological Survey (USGS). McDiarmid's research focuses on the systematics, behavior, ecology, and biogeography of amphibians and reptiles in the Neotropics. Records include graduate work; research projects and publications; special projects, such as workshops, committees, and reviews; and activities with professional societies, including the American Society of Ichthyologists and Herpetologists (ASIH) and the Herpetologists' League (HL). Some materials predate his time with the USGS.
Materials include correspondence, notes, research information, manuscripts, proposals, reports, reviews, maps, illustrations, postcards, newspaper clippings, microfiche, photographs, negatives, and transparencies. Some materials are in electronic format.