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all Timbers Research Station, 1974. 57 p.
- No. 9. On a New Species of Earthworm in a Southern Portion of the United States. G.E. Gates.
- No. 10. Contributions to a Revision of the Lumbricidae. X. Dendrobaena octaedra (Savigny, 1826) with Special Reference to the Importance of its ParthenoGenetic Polymorthism for the Classification of Earthworms. G.E. Gates.