Disbound from the complete volume off 'The Ibis: A Quarterly Journal of Ornithology,' Volume VI, Eighth Series, 1906. Edited by Philip Lutley Sclater and A.H. Evans. A Revision of the Species of the Genus Pipra. January Number XXI - Article I, pp. 1-46 with a hand-colored plate of Pipra exquisita, a sub-species of the Blue-capped Manakin Lepidothrix coronata. Uncut pages.