BRITISH ASSOCIATION FOR THE 
ADVANCEMENT OF SCIENCE 
PUBLICATIONS 
ON SALE AT THE OFFICE OF THE ASSOCIATION 
BURLINGTON HOUSE, PICCADILLY, LONDON, W.1 
mitted their subscriptions from a date anterior to September 14, 1919, are 
entitled to receive gratis on demand all Reports (Annual Volumes) published 
after the date of their membership. 
Annual Members, subject as above, attending an Annual Meeting are entitled to 
obtain the Report of that Meeting for an additional payment of 10s. made before 
or during the Meeting, or of 12s. 6d. made after the Meeting within a period not 
extending beyond the close of the financial year (June 30). 
| IFE Members (since 1845), and all Annual Members who have not inter- 
The price of any Annual Volume, for the years 1831-1876 inclusive, will be 
quoted on application to the Office of the Association. 
The publication price of each Annual Volume from 1877 to 1915 inclusive (certain 
volumes, however, are out of print) is £1 4s.; for 1919 and until further notice, 
£1 5s. 
The President's Address and Sectional Addresses, bound together, for 1888, 1889, 
1890, 1893, 1895, 1896, 1899, 1900, 1901, 1902, 1909, 1910 (paper), each Is., 1913, 
1914, 1915 (cloth), 2s. 
The President's Address and Sectional Addresses have since been published each year 
under the title of ‘ The Advancement of Science.’ This is out of print for 1920, 
1921 and 1923; 1922, 1924, 6s., of all booksellers. 
Addresses by the Presidents of the Association are obtainable (separately) for several 
years after 1862, and for all years 1901-1916 (except 1906), each 3d. ; for 1919, 
6d.; for 1920, 1921, 1922, Is. ; 1923, 1924, Is. 6d. 
Many of the Sectional Presidents’ Addresses are obtainable separately for years since 
1864 down to 1919, each 3d.; for 1919, each 6d.; for 1920 and until further 
notice, each Is. 
Lithographed Signatures of the Members who met at Cambridge in 1833, with the 
Proceedings of the Public Meetings, 4to, 4s 
Index to the Reports, 1831-1860, 12s. (carriage included). 
Index to the Reports, 1861-1890, 15s. (carriage extra). 
THE BRITISH ASSOCIATION: A RETROSPECT, 1831-1921. 
By O. J. R. Howarth, Secretary. 
Published by the 
British Association, Burlington House, London, W.1. 
Pp. viii + 318, with 15 plates in half-tone. 
7s. 6d. (by post, 8s.) 
25 Ra) 
Gale3 FEB 25 
