Published also as Thesis (Ph. D.)--University of Illinois, 1929. / Cover title. "Contribution from the Zoological laboratory of the University of Illinois no. 365." Reprinted from Ecology, vol. XI, no. 2, April, 1930. "Literature cited": p. 426-431.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/551297489 |
| Date | January 1900 |
| Creators | Bird, Ralph Durham, |
| Publisher | [Lancaster, Pa., Lancaster Press, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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