Section B.- Zoology & Geology. Edited by Joseph Pearson...Director of the Colombo Museum and Marine Biologist to the Ceylon Government. Colombo. The Director, Colombo Museum. London. Dulau & Co. Nous disposons des Vol. XVII. Part 1. Oct., 1932 et Vol. XX Part 1. August. 1936; in-4 br. 71pp. et 11 planches h.-t. et 155pp. croquis in-t et 3 planches h.-t. Couvertures lgt abîmées. Les 2 volumes: