\l CONTENTS OF VOL. IV. FIFTH SERIES. 



Page 



Mr. S. P. Thompsou on Biiiaural Audition 274 



Prof. Gr. AViedemanu on the Magnetic Behanour of Chemical 



Compounds 276 



Prof. P. E. Chase on the Nebular Hypothesis. — YI. Momentum 



and Vis viva 291 



Mr. B. Mallet on the Seismic Eesults obtained from the Hal- 



lefs-Point Explosion 298 



Colonel A. E-. Clarke on a Correction to Observed Latitudes. 302 

 Notices respecting Xew Books : — 



Mr. E. J. Eouth's Elementary Treatise on the Dynamics 



of a System of Eigid Bodies 305 



Mr. B. Williamson's Elementary Treatise on the Integral 

 Calculus, containing Applications to Plane Curves and 



Surfaces 307 



Proceedings of the Eoyal Society : — 



Prof. P. Jenkin and Mr. J. A. Ewing on Friction between 



Surfaces moving at Low Speeds 308 



Proceedings of the Geological Society : — 



Mr. E. Grilpin on some recent Discoveries of Copper-ore 



in Nova Scotia 310 



Messrs. E. L. Jack and J. Home on the Glacial Drift in 



the North-eastern Carpathians 310 



Mr. W. A. E. L^ssher on Terminal Curvature in the 



South-western Counties 311 



Mr. G. H. Kinahan on the Chronological Classification of 

 the Granitic Eocks of Ireland, and on the Cambrian 



Eocks of South-east Ii-eland 311 



On Light-absorption according to Maxwell's Theory, by C. H. 



C. Grinwis 313 



On Specific Inductive Power, by V. Neyreneuf 316 



On the Specific Heat and the Heat of Eusion of Platinum, by 

 J. Violle 318 



NUMBEE XXVL— NOYEMBEE. 



Prof. J . "W. Mallet on the apparent Alteration in Weight of a 

 Wire placed East and West and traversed by an Electric 

 Current 321 



M. E. Bornstein on the Influence of Light on Electrical Ten- 

 sion in Metals 330 



Messrs. M. M. Pattison Muir and S. Sugiura on Essential Oil 

 of Sage 336 



Lord Eayleigh on the Lower Limit of the Prismatic Spectrum, 

 with especial reference to some Observations of Sir John 

 Herschel 348 



M. E.Goldstein on Electric Discharges through Earefied Gases 353 



Mr. S. T. Preston on some Dynamical Conditions applicable 

 to Le Sage's Theoi-y of Gravitation 364 



