<i>Office of Secretary to International Commission on Zoological Nomenclature. Smithsonian Institution, United States National Museum, Wathington, D.C. Notice of possible suspension of the rules of Nomenclature in the cases of</i> Holothuria, 1758, <i>vs.</i> Physalia, 1801, <i>and</i> Bolradschia, 1833, <i>vs.</i> Holothuria, 1791
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