Studies of Peruvian Birds, No. XXI: Notes on the Genera Pseudocolaptes, Hyloctistes, Hylocryptus, Thripadectes, and Xenops
New York: American Museum of Natural History, 1936. Paperback. American Museum Novitates Number 862. 25 pp. Near Fine in original self-wrappers. Good. Item #spb21
Price: $6.00
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