Now Eeady. Published by the Oxford University Press, and sold by Henry Frowde, 
Amen Corner. 
Atlas folio. Price £3 3s. 
(A reduction to Fellows of the Royal Society.) 
THE SIGNATUKES IN THE FIKST JOUENAL-BOOK AND THE 
CHAKTEE-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 Ready. Published by the Oxford University Press, and sold by Henry Frowde, 
Amen Corner. 
Price 15s. (A reduction to Fellows of the Royal 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 Foundation 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¬ 
morocco, £5 5s. net. Vols. 7, 8 (1864-73), cloth, £1 11s. 6d. net; half-morocco, £2 5s. net. Single 
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 Royal 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. hi. Physics. In 2 Parts. {In the iness.) 
Five parts. Royal 4to. Price 20s. each part. 
To Fellows of the Royal Society, 15s. 
REPORT TO THE GOVERNMENT OF CEYLON 
ON THE 
PEAEL OYSTEE FISHEEIES OF THE GULF OF MANAAE. 
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. 
Continental Agents for the publications of the Royal Society, Messrs. Friedlander and Son, Berlin. 
