VII. On the Changes produced by Magnetisation in the Dimensions of Rings and 



Rods of Iron and of some other Metals. By SHELFORD BIDWELL, M.A., 

 /./,'.>' page 205 



VIII. On the Ultra-Violet Spectra of the Eletnents. Part III. Cobalt and Nickel. 

 By G. D. LIVEING, M.A., F.R.S., Professor of Chemistry, and J. DEWAR, M.A., 

 F.R.S., Jacksonian Professor, University of Cambridge 231 



IX. The Conditions of the Evolution of Gases from Homogeneous Liquids. By V. H. 



VKLEY, M.A., University College, Oxford. Communicated by A. VERNON 

 HARCOURT, M.A., F.R.S., Lee's Reader in Chemistry, Christ Church, 

 Oxford 257 



X. On tlte Induction of Electric Currents in Conducting Shells of Small Thickness. 



By S. H. BURBURY, M.A., formerly Fellow of St. John's College, Cambridge. 

 Communicated by H. W. WATSON, D.Sc., F.R.S. 297 



XI. Magnetic Qualities of Nickel. By J. A. EWING, F.R.S., Professor of Engineering 



in University College, Dundee, and G. C. COWAN 325 



XII. Magnetic Qualities of Nickel (Supplementary Paper). By J. A. EWING, F.R.S., 



Professor of Engineering in University College, Dundee 333 



XIII. On certain Mechanical Properties of Metals considered in relation to the 

 Periodic Law. By W. CHANDLER ROBERTS- AUSTEV, F.R.S., Professor of 

 Metallurgy in the Normal School of Science and Royal School of Mines, South 

 Kensington, CJiemist and Assay er of the Royal Mint 339 



XIV. On the Specific Resistance of Mercury. By R. T. GLAZEBROOK, M.A., F.R.S., 



Fettow of Trinity College, and T. C. FITZPATRICK, B.A., Fellow of Christ's 

 College, Demonstrators at the Cavendish Laboratory, Cambridge . . . 351 



^'\. /1,1-firiants, Covariants, and Quotient-Derivatives associated ivith Linear 

 Differential Equations. By A. R. FORSYTH, M.A., F.R.S., Fellow of Trinity 

 College, Cambridge 377 



XVI. The Small Free Vibrations and Deformation of a Thin. Kl'istic Shell. Ji>/ 

 A. E. H. LOVE, B.A., Fellow of St. John's College, Cambridge. Communicated 

 by Prvfeuor Q. II. [>.\I:WIN, F.R.S. 491 



