Vol. 11. FEBRUARY 1881. No. 66. 



Published the First Day of every Month, — Price 2s. 6d. 



THE 

 LONDON, EDINBURGH, and DUBLIN 



PHILOSOPHICAL MAGAZINE, 



AA T D 



JOURNAL OF SCIENCE. 



Being a Continuation of TillocKs Philosophical Magazine,' 

 Nicholson's ( Journal ,' and Thomsons 'Annals of Philosophy? 



CONDUCTED BY 



SIR ROBERT KANE, 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.S. F.C.S. 



FIFTH SERIES. f^ 



N° 66.— FEBRUARY 1881. %? 



WITH A PLATE. 



Illustrative of Messrs. Nichols and Wheeler's Paper on the Coeffi- 

 cient of Expansion of Gas-Solutions. 



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