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By: Hoff, C. Clayton (Clarence Clayton), - Clawson, David L.Edition:Publication info: New York, American Museum of Natural History, [1952]Volume: no. 1585Series:Holding Institution: American Museum of Natural History LibrarySubjects: 59.54,7(76) Arachnida Classification Ecology Habitat Nests Pseudoscorpions Rodents Southwestern StatesBHL Collections: