Item Z11082513A Preliminary Study of the Relation Between Geographical Distribution and Migration with Special Reference to the Palearctic Region
London: British Ornithologists' Union, 1919. Binding: Paperback. Condition: Good. In a volume of 'The Ibis' for 1919, Eleventh Series, Volume I. No. 3, July, 1919. Article XXI, pp. 379-392. Two b & w plates and two color plates in volume. Buteo Books holds many back years of The Ibis. Good.....