polycrase

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Supplementary notice on the polycrase of North and South Carolina
William Earl Hidden and J. B. Mackintosh

American Journal of Science May 1891, s3-41 (245) 423-425; DOI: https://doi.org/10.2475/ajs.s3-41.245.423
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On the occurrence of polycrase or of an allied species in both North and South Carolina
William E. Hidden and J. B. Mackintosh

American Journal of Science April 1890, s3-39 (232) 302-306; DOI: https://doi.org/10.2475/ajs.s3-39.232.302

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