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U. S. NATIONAL MUSEUM BULLETIN NO. 50, PART 5, PL. XXVI 3. AERONAUTES melanoleucus. 4. PANYPTILA cayanensis.
U. S. NATIONAL MUSEUM BULLETIN NO. 50, PART 5, PL. XXVI 3. AERONAUTES melanoleucus. 4. PANYPTILA cayanensis.