Sold by Harrison and Sons, St. Martin’s Lane. 
PHILOSOPHICAL TRANSACTIONS. 
Series A. Containing Papers of a Mathematical or Physical Character. 
VoL. 200 (190.3), Price £2 3s., with 39 Plates. 
VoL. 201 (1903), Price £1 16s. 6d., with 3 Plates. 
Series B. Containing Papers of a Biological Character. 
Yol. 194 (1901), Price £.3, with 49 Plates. 
Yol. 195 (1902), Price £1 7s. 6d., with 16 Plates. 
Demy Svo, pp. 265. Price 5s. 
THE YEAR-BOOK OF THE ROYAL SOCIETY, 1903 . 
Principal Contents:—List of Fellows, Committees, &c.; Statutes and Regulations; Business of the 
Society daring 1902, including Anniversary Meeting with President’s Address, Council’s Report, 
and Treasurer’s Accounts ; Arrangements for 1903; Obituary Notices of Fellows deceased. 
Demy Svo, pp. 427. Price 12s. 6d. 
THE RECORD OF THE ROYAL 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. 
Pohlished by Clay and Sons, Aye Maria Lane. 
CATALOGUE OF SCIENTIFIC PAPERS, 
COMPILED BY THE ROYAL SOCIETY. 
The volumes on sale as follows :—Yols. 1-6 (1800-63), cloth (vol. 1 in half-morocco) £4 net; half- 
morocco. £5 5s. net. Yols. 7, 8 (1864-73), cloth, £1 11s. Gd. net ; half-morocco, £2 5s. net. Single 
vols., cloth, 20s.; half-morocco, 28s. net. Yols. 9, 10 (1874-83), cloth, £1 5s. net; half-morocco, 
£1 12s. net. Yol. 11 (1874-8.3), cloth, £1 5s. net; half-morocco, £1 12s. net. Yol. 12 (Supple¬ 
mentary, 1800-1883), cloth, £1 5s. net; half-morocco, £1 12s. net. 
A 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 klaps and Diagrams. 
THE ERUPTION OF KRAKATOA AND SUBSEQUENT PHENO]\[ENA. 
Report of the Krakatoa Committee of the Royal Society. 
Edited by G. J. SYMONS, F.R.S. 
Price 30s. To Fellows of the Royal Society and Royal Meteorological Society, 20s. 
Continental Agents for the publications of the Royal Society, Messrs. Friedlander and Son, Bei’lin. 
