General Interest Article
Proceedings of the Iowa Academy of Science
© Copyright 1931 by the Iowa Academy of Science, Inc.
"Proceedings of the Forty-Fifth Annual Meeting of the Iowa Academy of Science, Held at Davenport, May 1 and 2, 1931: Minutes of the Meeting; Staff & Committee Reports,"
Proceedings of the Iowa Academy of Science, 38(1), 21-36.
Available at: https://scholarworks.uni.edu/pias/vol38/iss1/4