Jf)*/i-V 



PROCEEDING'S 



OF THE 



CAMBRIDGE PHILOSOPHICAL 



SOCIETY. 



VOL. IV. PART I. 



[Michaelmas Term, 1880.] 



contents : 



PAGE 



2 

 Remarks of the President . ■ • ■ • • '.,',' 



Mr A. G. Greenhill, On tlie general motion of a liquid ellipsoid under 



the gravitation of its own parts . . ■ • • • • 



Mr C.Taylor, On the history of geometrical continuity ... 14 

 Lord Rayleigh, On a new arrangement for sensitive flames . . .17 

 Lord Rayleigh, On an effect of vibrations upon a suspended disc . .18 

 Mr Sedley Taylor, On an apparatus illustrating the movement of 



sound-waves and water-waves 



Dr J. B. Pearson, On tlie experiments made by Biot and others on 



horizontal refraction . / • 



Mr W. M. Hicks, On the pvpblem of two pulsating sp/ieres m a fluid . M 

 Mr J. Venn, On the various notations adopted for expressing the 



common propositions of logic . • 



Mr J. Venn, On the employment of geometrical diagrams for tlie sensible 



representation of logical propositions '"''.' ', 

 Mr E. Tawney and Mr H. Keeping, On the beds at Headon Hill and 



Colwell Bay in the Isle of Wight 59 



acambtfogc : 



PRINTED AT THE UNIVERSITY PRESS. 



AND SOLD BY 



DEIGHTON, BELL AND CO. AND MACMLLLAN AND CO. CAMBRIDGE; 

 BELL AND SONS, LONDON. 



1881 



