Studies of Peruvian Birds, No. XXV: Notes on the Genera Thamnophilus, Thamnocharis, Gymnopithys, and Ramphocaenus
New York: American Museum of Natural History, 1937. Paperback. American Museum Novitates Number 917. 16 pp. Near Fine in original self-wrappers. Good. Item #spb25
Price: $5.00
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