General Interest Article
Proceedings of the Iowa Academy of Science
© Copyright 1928 by the Iowa Academy of Science, Inc.
"Proceedings of the Forty-Second Annual Meeting of the Iowa Academy of Science, Held at Grinnell, May 5, 1928: Minutes of the Meeting; Staff & Committee Reports,"
Proceedings of the Iowa Academy of Science, 35(1), 21-30.
Available at: https://scholarworks.uni.edu/pias/vol35/iss1/4