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U. S. NATIONAL MUSEUM BULLETIN NO. 50, PART 5, PL. II 2. MYRMOPAGIS axillaris. (. MYRMOTHERULA surinamensis.
Page:Birds of North and Middle America partV Ridgway.djvu/893
U. S. NATIONAL MUSEUM BULLETIN NO. 50, PART 5, PL. II 2. MYRMOPAGIS axillaris. (. MYRMOTHERULA surinamensis.