Vol.4. SEPTEMBER 1877. No. 24 



Published the First Day of every Month — Price 2s. M. 



THE 

 LONDON, EDINBURGH, and DUBLIN 



PHILOSOPHICAL MAGAZINE. 



AND 



JOURNAL OF SCIENCE. 



Being a Continuation of TillocKs ^Philosophical Magazine,^ 

 Nicholson^ s 'Journal,^ and Thomson^ s ^Annals of Philosophy,'' 



CONDUCTED BY 



SIR ROBERT KAIN^E, LL.D. F.R.S. M.R.I.A. F.C.S. 

 SIR WILLIAM THOMSON, Knt. LL.D. F.R.S. &c. 



AND 



WILLIAM FRANCIS, Ph.D. F.L.S. F.R.A.^. F C.S. 



/ • ^.- 



^ 



FIFTH SERIES. \\ ^ 



N° 24.— SEPTEMBER 1877. ^S...^ ^ 



WITH A PLATE, 



Illustrative of Mr. W. M. Hicks's Paper on some Effects of Dissociation 

 on the Physical Properties of Gases. 



LONDON: 



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