36. DECEMBER 1893V~^7> ^No. 223 



— ■ , " i 



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



THE / 



LONDON, EDINBURGH, and DUBLIN 



'HILOSOPHICAL MAGAZINE, 



AND 



JOURNAL OF SCIENCE. 



Being a Continuation of Tilloclis 'Philosophical Magazine/ 

 Nicholson's 'Journal/ and Thomsons 'Annals of Philosophy.' 



CONDUCTED BY 



LORD KELVIN, LL.D. P.R.S. &o. 



GEORGE FRANCIS FITZGERALD, M.A. So.D. F.R.S. 



AND 



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



FIFTH SERIES. 

 N« 223.— DECEMBER 1893. 



WITH SIX PLATES. 



llustrative of Dr. Haery C. Jones's Paper on the Dissociation of 

 Compounds in Water as Measured by the Lowering of the Freezing- 

 Point. 



LONDON: 



PBINTED BY TAYLOR AND FRANCIS, RED LION COURT, FLEET STREET.. 



Id by 3impkin> Marshall, Hamilton, Kent, and Co., Ld.; Whittaker and Co. ; 

 and by A. and C. Black ;— T. and T. Clark, Edinburgh ; Smith and Son, 

 G-lasgow: — Hodges, Figgis, and Co., Dublin: — Putnam, New York: — Veuve J. 

 Boyveau, Paris: — and Asher and Co., Berlin. 



