BRITISH ASSOCIATION FOR THE ADVANCEMENT 
OF SCIENCE. 
Life Members (since 1845), and all Annual Members who have not 
intermitted their Subscription, receive gratis all Reports published after 
the date of their Membership. Any other volume they require may be 
obtained on application at the Office of the Association, Burlington 
House, Piccadilly, London, W., at the following prices, viz.—Reports for 
1831 to 1874 (of which more than 15 copies remain), at 2s, 6d. per volume ; 
after that date, at two-thirds of the Publication Price. A few sets, from 
1831 to 1874 inclusive, may also be obtained at £10 per set. 
Associates for the Meeting in 1899 may obtain the Volume for the Year at two-thirds 
of the Publication Price. 
REPORT or tHe SIXTY-EIGHTH MEETING, at Bristol, 
September, 1898, Published at £1 4s. 
CONTENTS. 
PAGE 
Rules of the Association, Lists of Officers, Grants of ae &e. XXixX.—CXvi. 
Address by the President, Sir William Crookes . , F é : 3 
Report of the Corresponding Societies Committee 3 41 
Report of the Committee for the Establishment of a Meteorological Observa- 
tory at Montreal . 2 , te Eis 
Report on the Comparison and Reduction of Magnetic Observations 2 =) 50 
Stream-line Motion of a Viscous Film : : . 136 
Report on the Calculation of Tables of certain Mathematical Functions - . 145 
Report on Electrical Standards . ; . ; A 1 a6 
Interim Report on Electrolysis and Electro- ‘chemistry : : : : « 58 
On the Use of Logarithmic Co-ordinates. By J. H. VINCENT . - 3 + Wl59 
Third Report on Seismological Investigation . - “ : : els 
Report on Meteorological Observations on Ben Nevis. 277 
Eighth Report on the Application of Se pes to the Elucidation of 
Meteorological Phenomena . 283 
Report on the Action of Light upon Dyed Colours. z < - P - 285 
Third Report on the Carbohydrates of the Cereal Straws . f > . 293 
Fifth Report on the Electrolytic Methods of “aaa Analysis ‘ : . 294 
Report on Isomeric Naphthalene Derivatives . : . - 311 
