PROCEEDINGs\^%\ #k 



OF THE 



CAMBRIDGE PHILOSOPHICAL^ 

 SOCIETY. 



VOL. IV. PART IV. 

 [Easter and Lent Terms, 1882.] 



contents: 



PAGE 



Dr P. W. Latham, On the Composition of Albumen, and the changes 



which Leucine and similar bodies undergo in the animal system . 169 



Mr J. W, L. Glaisher, On a method of deriving formula? in Elliptic 



Functions 186 



Mr E. Hill, On the effect of fluctuations in a variable, upon the mean 

 values of functions of that variable: with an application to the 

 theory of Glacial Epochs 188 



Mr Homeksham Cox, On the application of Quaternions and Grass- 



mann's Ausdehnungslehre to different kinds of uniform space . 194 



Lord Rayleigh, The use of telescopes on dark nights .... 197 



Lord Rayleigh, On a new form of gas battery 198 



Dr P. W. Latham, Further observations on the transformation of 



alcohol and on the formation of alcohol and urea in the living body 198 



Dr J. B. Pearson, On the use of large telescopes^ in twilight . . 205 



Mr A. G. Greenhill, On the rotation of a liquid ellipsoid about an 



axis, not a principal axis, but lying in a principal plane . . 208 



Mr A. G. Greenhill, Note on Professor Cayley's paper on the elliptic 



function solution of the equation .i' 3 + ?/ 3 — 1-0 . . . 223 



Mr A. J. C. Allen, Notes on solid geometry 228 



Dr J. B. Pearson, On the use of Quartz or Rock-crystal in the object- 

 glasses of telescopes 229 



Mr A. Freeman, On an altazimuth constructed from the designs of the 



late Rev. Dr W. Pearson . 234 



Professor W. J. Lewis, On the measurements of a bead of Platinum, by 



the late Professor W. H. Miller 236 



Professor W. J. Lewis, On a crystal of Stephanite from IVhcal Newton 240 



Mr A. Freeman, Note on a table showing the tune and place of the 

 transit of any star across the prime vertical circle in latitude 

 52° 12' 10" 245 



©ambrfoge : 



PRINTED AT THE UNIVERSITY PRESS. 



AND BOLD BY 



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



BELL AND SONS, LONDON. 



1882 





o 



