PROCEEDINGS OF 

 THE ROYAL SOCIETY. 



VOL. XXIX. 



No. 199. 



December 11, 1879. 



CONTENTS. 



PAGE 



I. Therrno-Eleotric Behaviour of Aqueous Solutions with Mercurial Elec- 

 trodes. By a. Goee, LL.D.j F.K.S. 472 



II. O.uantitatiye Spectroscopic Experiments. By Professor Gr. D. Liyeing, 



M.A., E.R.S., and Professor J. Dewae, M.A., E.R.S 482 



III. Eurtlier Experiments on the Vapour Densities of Potassium and Sodium. 



By Professor James Dewae, M.A., E.E.S., and Alexander Scott, B.A. 490 



IV. On the Practical Solution of the Most General Problems in Continuous 



Beams. By John Peeey and W. E. Ateton ..... 493 



List of Presents . . . . . . . . . . 506 



Index • . . 511 



Title and Contents. 



Price Two Shillings and Sixpence, 



