Beatty, J. A. (1966). Key to the Land and Fresh-Water Triclad Turbellaria of North America (for Living Specimens Only). unpublished, 13 pages, 6 plates [unpublished, reproduced from typewritten copy]
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Beatty, J. A.
1966
Key to the Land and Fresh-Water Triclad Turbellaria of North America (for Living Specimens Only).
unpublished
13 pages, 6 plates [unpublished, reproduced from typewritten copy]