VI CONTENTS OF VOL. XXIV. — FIFTH SERIES. 



Page 

 On the Mel ting-Point of Ice at Pressures under one Atmo- 

 sphere, by B. J. G-oosens k > 295 



On the Thomson Effect, by A. Batelli 295 



On Hygroinetric Substances, by Henri Dufour 296 



NUMBER CXLIX.— OCTOBEB. 



Mr. J. Buchanan on Hot Gases as Conductors of Electricity. 

 (Plate VIII.) 297 



Prof. J. Trowbridge and Mr. 0. 0. Hutchins on Oxygen in the 

 Sun 302 



Prof. J. Trowbridge and Mr. C. C. Hutchins on the Existence 

 of Carbon in the Sun 310 



Mr. J. T. Bottomley on Expansion and Contraction with Bise 

 and Fall of Temperature in Wires under Elongating Stress. 

 (Plate IX.) 314 



Dr. T. S. Hunt on Integral Weights in Chemistry 318 



Messrs. C. C. Hutchins and E. L. Holden on the Existence of 

 certain Elements, together with the Discovery of Platinum, 

 in the Sun 325 



Mr. E. Y. Edge worth on the Empirical Proof of the Law of 

 Error 330 



Sir W. Thomson on the Propagation of Laminar Motion 

 through a turbulently moving Inviscid Liquid 342 



Prof. A. Griinwald on the remarkable Relationships between 

 the Spectrum of Water-vapour and the Line-spectra of 

 Hydrogen and Oxygen, and on the Chemical Structure of 

 the two latter, and their Dissociation in the Sun's Atmo- 

 sphere 354 



Notices respecting New Books : — 



Prof. G-. Lunge's Coal-Tar and Ammonia 367 



On a New Polar Action of Magnetism on Heat in a Plate 

 traversed by a Galvanic Current, by A. von Etringshausen 369 



On the Action of Magnetism on Electrical Discharges in 

 Dilute Gases, by Prof. Boltzmann 373 



Some Experiments on the Transmission of Electrical Currents 

 in Air, by J. Borgmann 374 



Method of Observing the Action of Magnets on Liquids, by 

 S. T. Morehead 376 



NUMBER CL.— NOVEMBER. 



Mr. T. C. Eitzpatrick on the Action of the Solvent in Electro- 

 lytic Conduction 377 



