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By: Hoff, C. Clayton (Clarence Clayton),Edition:Publication info: New York City, The American Museum of Natural History, [1945]Volume: no.1291 (1945)Series:Holding Institution: American Museum of Natural History LibrarySubjects: 59.54,7O Arachnida Classification Olpiinae Pseudoscorpions Puerto Rico Trinidad Trinidad and Tobago West IndiesBHL Collections: