The University of Michigan Museum has acquired a considerable number of specimens of mammals from Northwestern Iowa during the past five years. Most of the material was obtained by the expedition of 1907, but a number of specimens have been received from residents. The museum ls particularly indebted to Mr. Nels Hansen, of Ruthven, Iowa, who has sent in a considerable amount of valuable material
Proceedings of the Iowa Academy of Science
©1912 Iowa Academy of Science, Inc.
Ruthven, Alexander G. and Wood, Norman A.
"Notes on a Collection of Mammals from Northwestern Iowa,"
Proceedings of the Iowa Academy of Science, 19(1), 203-205.
Available at: https://scholarworks.uni.edu/pias/vol19/iss1/40