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By: Bock, Walter Joseph, - Atkins, Edward G.,Edition:Publication info: New York, N.Y, American Museum of Natural History, [1970]Volume: no. 2439Series:Holding Institution: American Museum of Natural History LibrarySubjects: Choloepus didactylus Forelimb Guiana Mammals Pseudoarthrosis Sloths Wounds and injuriesBHL Collections: