General Interest Article
Proceedings of the Iowa Academy of Science
©1932 Iowa Academy of Science, Inc.
"Proceedings of the Forty-Sixth Annual Meeting of the Iowa Academy of Science, Held at Cedar Falls, April 29 and 30, 1932: Minutes of the Meeting; Staff & Committee Reports,"
Proceedings of the Iowa Academy of Science, 39(1), 11-19.
Available at: https://scholarworks.uni.edu/pias/vol39/iss1/4