Sold by Hakuison and Sons, Sj'. Maii'iin’s Lank. 
Demy 8vo, pp. 427. Price, I2s. 
THE EECORD OF THE IlOYAL SOCIETY. 
Second Edition. 1901. 
Containing an Account of the Foundation, History, &c., of the Society, with a Chronological List and 
Alphabetical Index of the Fellows from the Foundation. 
Demy 8vo, pp. 26-5. Price os. 
THE YEAR-BOOK OF THE ROYAL SOCIETY, 1903. 
Principal Contents;—List of Fellows, Committees, &c.; Statutes and Regulations; Business of th» 
Society during 1902, including Anniversary Meeting with President’s Address, Council’s Reijort, and 
Tieasiirer’s Accounts; Arrangements for 190.3; Obituary Notices of Fellows deceased. 
PHILOSOPHICAL TRANSACTIONS. 
Series A. Containing Papers of a Mathematical or Physical Character. 
VoL. 199 (1902), Price £l 6.<. 
VoL. 200 (1903), Price £2 3s., with 39 Plates. 
Series B. Containing Papers of a Biological Character. 
VoL. 194 (1901), Price £.3, Avith 49 Plates. 
VoL. 195 (1902), Price £1 Is. dd., with IG Plates. 
Published by Clay and Sons, Ave Maria Lank. 
CATALOGUE OF SCIENTIFIC PAPERS, 
COMPILED BY THE ROYAL SOCIETY. 
The volumes on sale as follows:—Vols. 1-6 (1800-63), cloth (vol. 1 in half-morocco), £4 net; halt- 
morocco, £5 os. net. Vols. 7, 8 (1864-73), cloth, £1 11«. Gd. net; half-morocco, £2 5s. net. Single- 
vols., cloth, 20s.; half-morocco, 28s. net. Vols. 9, 10 (1874-83), cloth, £1 5s. net; half-morocco 
£1 I2s. net. Vol. 11 (1874-83), cloth, £1 5s. net; half-morocco, £1 12s. net. Vol. 12 (Supple 
inentary, 1800-1883), cloth, £1 5s. net; half-morocco, £1 12.?. net. 
A reduction of price to Fellows of the Royal Society. 
Published by Kegan Paul, Trench, Trubner, and Co. 
A few copies at the reduced price of £1 1.?. (published at £3). 
Loyal 4to, pp. iv.—936, cloth. With 51 Lithographic and Photographic Platc-s, 
A MONOGRAPH OF THE HORNY SPONGES. 
By R. von LENDENFELD. 
A further reduction of price to Fellows of the Royal Society. 
Published by Kegan Paul, Trench, Trubner, and Co. 
In 1 vol., 4to. Pp. 500. With 6 Chromolithographs of the remarkable Sunsets of 1883 and 
40 Maps and Diagrams. 
THE ERUPTION OF KRAKATOA AND SUBSEQUENT PHENOMENA. 
Report of the Krakatoa Committee of the Royal Society. 
Edited by G. J. SYMONS. F.R.S. 
Pi ice 30.?. To Fellows of the Royal Society and Royal Meteorological Society, 20.?. 
Published by Kegan Paul, Ti{ench, Trubner, and Co. 
Royal 4to, pp. xiv.—326, cloth. Price 21.?. 
OBSERVATIONS OF THE INTERNATIONAL POLAR EXPEDITIONS, 
1882-1883. 
FORT RAE. 
With 32 Lithographic Folding Plates. 
A reduction of price to Fellows of the Royal Society. 
Coiitinentai Agents for the publications of the Royal Society, Messrs. Friedlandek and Son, Berlin. 
