PUBLISHED BY THE ROYAL SOCIETY, 
BURLINGTON HOUSE, LONDON. 
■ Sold by Harrison and Sons, St. Martin’s Lane. 
PHILOSOPHICAL TRANSACTIONS. 
Series A. Containing Papers of a Mathematical or Physical Character. 
Vol. 215 (1915), Price £1 11s., with 6 Plates. 
Series B. Containing Papers of a Biological Character. 
Vol. 206 (1915), Price £1 15s., with 24 Plates. 
ABSTRACTS of the PAPERS printed in the PHILOSOPHICAL TRANSACTIONS of the ROYAL 
SOCIETY of LONDON. Vols. 1 to 6 (1800-1854), 8vo, at 5s. each. (Vols. 3 and 6 out of Print.) 
PROCEEDINGS of the ROYAL SOCIETY of LONDON, being a continuation of the foregoing 
Series. Vols. 8 to 14, and 16 to 74 (except Vols. 20, 21, 22, 50, 51, 74), 21s. each, cloth. Vol. 75 
is composed of Obituary Notices of Fellows Deceased, 1898-1904. Price 10s. With Vol. 76 the 
“Proceedings” appear in enlarged form and in two series—A, Mathematical and Physical, published 
at 20s.; B, Biological, published at 25s. Subscription prices in advance—Series A, 15s. per Vol.; 
Series B, 20s. per Vol. 
Demy 8vo, pp. 250. Price 5s. 
THE YEAR-BOOK OF THE ROYAL SOCIETY, 1915. 
Principal Contents:—List of Fellows, Committees, &c.; Statutes and Regulations; Business of the 
Society during 1914, including Anniversary Meeting, Council’s Report, and Treasurer’s 
Accounts ; Arrangements for 1915. 
Royal 4to. 428 pages, with numerous Plates and Diagrams, and Separate Portfolio of 
Geological Maps and Sections. 
THE ATOLL OF FUNAFUTI, 
BORINGS INTO A CORAL REEF AND THE RESULTS. 
Price 30s. To Fellows of the Royal Society, 20s. 
Published by the Royal Society, and sold by Harrison and Sons, St. Martin’s Lane. 
Five parts. Royal 4to. Price 20s. each part. 
To Fellows of the Royal Society, 15s. 
REPORT TO THE GOVERNMENT OF CEYLON 
ON THE 
PEARL OYSTER FISHERIES OF THE GULF OF MANAAR. 
By W. A. Herdman, D.Sc., F.R.S. 
(With Supplementary Reports upon the Marine Biology of Ceylon by various Naturalists.) 
Parts I.-V., 1903-1906. 
Published by the Royal Society, and sold by Harrison and Sons, St. Martin’s Lane. 
SOLD BY HARRISON AND SONS, ST. MARTIN’S LANE, 
AND ALL BOOKSELLERS. 
