Thesis (Ph. D.)--University of Michigan, 1938. / Title from the commencement program of University of Michigan. Each part has caption title only. Thesis note on slip mounted on first page of part one. "Contribution[s] from the Biological station and the Department of zoology, University of Michigan." Reprinted from papers of the Michigan Academy of Science, Arts, and Letters, vol. xxv, 1939; Transactions of the American Microscopical Society, vol. LIX, no. 3, July, 1940 and Ecology, v. 21, no. 2, April 1940, respectively. "Literature cited" at end of each part.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/596085072 |
| Date | January 1900 |
| Creators | Hoffman, Carl Emil, |
| Publisher | [N.p., |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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