Issued also as thesis (Ph. D.) University of Illinois. / "Contributions from the entomological laboratories of the University of Illinois, no. 43." Bibliography: p. 145-146.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/645340841 |
| Date | January 1900 |
| Creators | Fracker, Stanley Black, |
| Publisher | [Urbana, University of Illinois, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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