In 'The Ibis: A Quarterly Journal of Ornithology,' Volume VI, Eighth Series, 1906, In three parts - Part I, pp. 131-138, Part III, pp. 333-337, and Part III, pp. 661-666. This volume contains hand colored lithographs by J.G. Keulemans.The complete volume in four numbers bound in publisher's red cloth with additional articles and plates, including articles by Walton on the Birds of Southern Tibet and Hellmayr on A Revision of the Species of the Genus Pipra. Bumped corners. Cracked at rear inner hinge. Includes 'General Index to The Ibis 1901-1906.