BRITISH ASSOCIATION FOR THE 

 ADVANCEMENT OF SCIENCE 



PUBLICATIONS 



ON SALE AT THE OFFICE OF THE ASSOCIATION 

 BURLINGTON HOUSE, PICCADILLY. LONDON. W.I 



rin^HE ANNUAL REPORT, containing the Presidential Address and Sectional 

 I Addresses, Reports of Research Committees, summary sectional transactions 

 and references to the publication, in the technical press and elsewhere, of 

 individual papers read at the Annual Meeting. 1877 to 1912, 24s. each ; from 

 1921, 25s. each. (The price of any Annual Report from 1831 to 1876will be quoted on 

 application to the office of the Association.) 



THE JOURNAL issued at the Annual Meeting, containing short abstracts of many 

 of the papers read, \s. 6d. 



THE ADVANCEMENT OF SCIENCE (published annually since 1 920), containing 

 the Presidential Address and Sectional Addresses (thirteen sections). 1922, 1924, 

 1925, 1926, 6s. each. 



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 (c/o//.), 2s. 



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. 

 6c/. ; for 1920, 1921,1922, Is.; 1923, 1924, Is. 6 J. ; 1925,1s.: 1926.1s. 



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. 



INDEX to the Annual Reports, 1831-60, 12s. ; 1861-90, 15s. 



THE BRITISH ASSOCIATION: A RETROSPECT. 1831-1921. 

 By 0. J. R. Howarth, Secretary. 



Published by the 

 British Association, Burlington House, London, W.I, 



Pp. viii + 318, with 15 plates in half-tone 



7s. 6d. (by post, 8s.) 



