VI CONTENTS OF VOL. XXIV. — FOURTH SERIES. 



Page 

 Dr. Matthiessen and M. von Bose on the Lead-Zinc and 

 Bismuth-Zinc Alloys ; and on some Gold-Tin Alloys . . 317 

 Proceedings of the Geological Society : — 



Prof. Jukes on the Mode of Formation of some of the River- 

 valleys in the South of Ireland 323 



Prof. Haughton on the Granites of Donegal 323 



Prof. Huxley on a Stalk-eyed Crustacean from the Coal- 

 measures ; on the Premolar Teeth of Diprotodon, and on a 



New Species of that Genus from Australia 323 



Mr. J. Powrie on the Old Red Sandstone of Fifeshire . , 324 

 Mr. E. W. Binney on some Upper Coal-measures, con- 

 taining a bed of Limestone, at Catrine in Ayreshire . . 324 

 Prof. Nicol on the Structure of the Southern Grampians. . 324 

 Mr. S. H. Beckles on some Natural Casts of Foot-prints. 325 



Mr. R. Thornton's Geological Notes on Zanzibar 325 



Mr. W. Carruthers on a Section at Junction-road, Leith. . 325 

 Sir W. Denison on the Death of Fishes in the Sea during 



the Monsoon 326 



On Amperian Repulsion, by James Croll 326 



On the Changes in the apparent Size of the Moon 326 



On the Dynamic Theory of Heat, by George F. Rodwell .... 327 

 On the Reduction of Chromium from Solution of the Chloride, 



by Charles W. Vincent 328 



Reduction of Manganese from the Protochloride by Sodium- 

 amalgam, by W. B. Giles 328 



NUMBER CLXII.— NOVEMBER. 



M. Edlund on the Thermal Phenomena which accompany the 

 changes in volume of Solid Bodies, and on the corresponding 



Mechanical Work 329 



Prof. Tyndall on the Absorption and Radiation of Heat by 



Gaseous Matter. — Second Memoir 337 



Prof. Lamont on Dalton's Theory of Vapour, and its Application 



to the Aqueous Vapour of the Atmosphere 350 



Mr. C. Tomlinson on the Motion of Camphor towards the 



Light 358 



M. J. R. Mayer on the Forces of Inorganic Nature 371 



Mr. A. C. Ramsay on the Excavation of the Valleys of the Alps. 377 

 Mr. D. Campbell on the Action of Nitric Acid upon Pyrophos- 

 phate of Magnesia 380 



Dr. Atkinson's Chemical Notices from Foreign Journals .... 381 

 Mr. T. Zeno on the Changes in the Apparent Size of the Moon. 390 

 Proceedings of the Royal Society : — 



Prof. B. C. Brodie on the Oxidation and Disoxidation 



effected by the Peroxide of Hydrogen 392 



Prof. J. Thomson on Crystallization and Liquefaction, as 

 influenced by Stresses tending to change of form in 

 Crystals 395 



