Studies of Peruvian Birds, No. XXX: Notes on the Genera Contopus, Empidonax, Terenotriccus, and Myiobius
New York: American Museum of Natural History, 1939. Paperback. American Museum Novitates Number 1042. 13 pp. Near Fine in original self-wrappers. Good. Item #spb30
Price: $5.00
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