Very good in fragile original wrappers. In two Numbers of 'The Ibis' for 1918, Tenth Series, Volume VI. January, 1918, No. 1 (Part 1) - Article V., pp-76-114. April, 1918, No. 2 (Part 2) - Article XI, pp. 189-234. One color egg plate. Additional articles include: ‘Index-List of the Coloured Plates of Birds in ‘The Ibis,’ 1850-1917' by Dr. E. Hopkinson and ‘The Platycercine Parrots of Australia: A Study in Colour-change’ by Gregory M. Mathews with two color plates. Buteo Books holds many back years of The Ibis.