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By "Forrest, Helen, zoologist. "
Books/Journals (1)
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Taxonomic studies on the hydras of North America. 6, Description of Hydra hymanae, new species. American Museum novitates ; no. 1423
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By: Forrest, Helen, zoologist. - Hadley, Charles Elmer,
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Publication info: 1949
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Holding Institution: American Museum of Natural History Library
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