CONTENTS (continued). 

 May 6, 1886. 



List of Candidates . 



I. On an Effect produced by the Passage of an Electric Discharge through 

 Pure Nitrogen. By J. J. Thomson, M.A., F.E.S., Fellow of Trinity 

 College, Cavendish Professor of Experimental Physics, Cambridge, and 

 E. Threleall, B.A., Caius College, Cambridge, Professor of Experi- 

 mental Physics in the University of Sydney . . . . . .329 



II. Some Experiments on the Production of Ozone. By J. J. Thomson, 

 M.A., F.E.S., Fellow of Trinity College, and Cavendish Professor of 

 Experimental Physics in the University of Cambridge, and E. 

 Threleall, Caius College, Cambridge, and Professor of Experimental 

 Physics in the University of Sydney 340 



III. The Influence of Stress and Strain on the Physical Properties of Matter. 

 Part I. Elasticity — continued. The Effect of Change of Temperature 

 on vhe Internal Friction and Torsional Elasticity of Metals. By 



Hh-RBEBT TOMLINSON, B.A. 343 



IV. On a New Means of converting Heat Energy into Electi'ical Energy. By 



Williard E. Case, of Auburn, New York, U.S.A 345 



V. Further Discussion of the Sun-spot Spectra Observations made at Ken- 

 sington. By J. Norman Lockyer, F.E.S 347 



PAGE 



329 



May 13, 1886. 



I. On the Structure of Mucous Salivary (Hands. By J. N. Langley, M.A., 



F.R.S., Fellow and Lecturer of Trinity College, Cambridge. . . 362 



II. On the Computation of the Harmonic Components, &c. By Lieut. - 



General Strachey, E.E., C.S.L, F.E.S 367 



III. On the Sympathetic Vibrations of Jets. By Chichester A. Bell, M.B. 368 



IV. Intensity of Eadiation through Turbid Media. By Captain Abney, E.E., 



F.E.S., and Major-Greneral Festing, E.E. 378 



May 20, 1886. 



I. Eelation of " Transfer-Eesistance " to the Molecular Weight and Chemical 



Composition of Electrolytes. By Gr. GrORE, LL.D., F.E.S. . . .380 



II. A Study of the Thermal Properties of Ethyl Oxide. By William 



Eamsay, Ph.D., and Sydney Young, D.Sc. 381 



III. On the Working of the Harmonic Analyser at the Meteorological Office. 



By Eobert H. Scott, F.E.S., and Eichard H. Curtis, F.E. Met. Soc. 382 



List of Presents . . 393 



HABEISON AND SONS, 45 & 46, ST. MAETIN'S LANE, W.C., 



AND ALL BOOKSELLERS. 



