863 



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: 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 1S74 inclusive, may also be obtained at £10 per set. 



Associates for the Meeting in 1910 may obtain the Volume for the Year at 

 two-thirds of the Publication Price. 



REPORT of the SEVENTY-NINTH MEETING, at Winnipeg, 

 August 25— September 1, 1909, Published at ^1 4s. 



CONTENTS. 



PAGE 



Rules of the Association, Lists of Officers, Report of the Council, List of 



Committees, Grants of Money, &c xxxiii-cxliii 



Address by the President, Prof. Sir J. J. Thomson, F.R.S. ... 3 



Report on the Further Tabulation of Bessel Functions 33 



Report on Magnetic Observations at Falmouth Observatory .... 36 

 Report on the Measurement of a Further Portion of the Geodetic Arc of 



Meridian in Africa 37 



Eighth Report on the Investigation of the Upper Atmosphere by means 



of Kites 37 



Report on Electrical Standards 38 



Fourteenth Report on Seismological Investigations 48 



Report on the Work of Establishing a Solar Observatory in Australia . 66 

 Report on the Present State of our Knowledge of the Upper Atmosphere as 



obtained by the use of Kites. Balloons, and Pilot Balloons ... 71 



Anode Rays ;ind their Spectra. By Or. Otto Reiehenheim . . . 124 



