Now Eeady. Published by the Oxford University Press. 
Atlas folio. Price £3 3s. 
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THE SIGNATUEES IN THE FIKST JOUENAL-BOOK AND THE 
CHAETEE-BOOK OF THE EOYAL SOCIETY. 
Being a Facsimile of the Signatures of the Founders, Patrons, and Fellows of the Society from the 
year 1660 down to the present time. 
Now Eeady. Published by the Oxford University Press. 
Price 15s. (A reduction to Fellows of the Eoyal Society.) 
THE EECOED OF THE EOYAL SOCIETY. 
Crown 4to. Third Edition, 1912. 
Containing a full Account of the Foundation, History, &c., of the Society, with a Chronological List 
and Alphabetical Index of the Fellows from the Foimdation to the present time. 
Published by Cambridge University Press, Fetter Lane, E.C. 
CATALOGUE OF SCIENTIFIC PAPEES FOE THE 19th CENTUEY. 
COMPILED BY THE EOYAL SOCIETY. 
The volumes on sale as follows:—Vols. 1-6 (1800-63), cloth (vol. 1 in half-morocco), £4 net; half¬ 
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vols., cloth, £1; half-morocco, £1 8s. net. Vols. 9, 10 (1874-83), cloth, £1 5s. net; half-morocco, 
£1 12s. net. Vol. 11 (1874-83), cloth, £1 5s. net; half-morocco, £1 12s. net, Vol, 12 (Supple¬ 
mentary, 1800-1883), cloth, £1 5s. net; half-morocco, £1 12s. net. Volumes for 1884-1900 ready shortly. 
A reduction of price to Fellows of the Eoyal Society. 
SUBJECT INDEX OF SCIENTIFIC PAPEES. 
Large 8vo. 
Vol. I. Pure Mathematics. 21s. cloth. 28s. half pigskin. 
Vol. II. Mechanics. 15s. cloth. 21s. half pigskin. 
Vol. III. Physics. In 2 Parts. {In the press.) 
Five parts. Eoyal 4to. Price 20s. each part. 
To Fellows of the Eoyal Society, 15s. 
EEPOET TO THE GOVEENMENT OF CEYLON 
ON THE 
• 
PEARL OYSTEE FISHEEIES OF THE GULF OF MANAAE. 
By W. A. Herdman, D.Sc., F.E.S. 
(With Supplementary Eeports upon the Marine Biology of Ceylon by various Naturalists.) 
Parts I.-V., 1903-1906. 
Published by the Eoyal Society, and sold by Harrison and Sons, St. Martin’s Lane. 
OoDtinental Agents for the publications of the Eoyal Society, Messrs. Friedlander and Son, Berlin. 
