Vol.2. AUGUST 1876. No. 9. 



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



THE 

 LONDON, EDINBURGH, and DUBLIN 



PHILOSOPHICAL MAGAZINE, 



AND 



JOURNAL OF SCIENCE. 



Being a Continuation of Tilloclis ' 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.O.S. 

 SIR WILLIAM THOMSON, Knt. LL.D. F.R.S. Ac. 



AND 



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



FIFTH SERIES. \A <fr 



N° 9.— AUGUST 1876. 



WITH A PLATE, 

 Illustrative of M. E. Wiedemann's Paper on the Specific Heats of Gases. 



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