General Interest Article
Proceedings of the Iowa Academy of Science
© Copyright 1946 by the Iowa Academy of Science, Inc.
"Proceedings of the Fifty-Eighth Session of the Iowa Academy of Science, Held at Grinnell, April 19 and 20, 1946: Minutes of the 1946 Meeting,"
Proceedings of the Iowa Academy of Science: Vol. 53:
, Article 4.
Available at: https://scholarworks.uni.edu/pias/vol53/iss1/4