CONTENTS OF VOL. XXVI. FOURTH SERIES. vii 



Page 

 On the Oxide of a New Metal : — Wasium, by M. J. F. Bahr 



and M. Nickles 488 



On Indium, another New Metal, by MM. Reich and Richter. . 488 



NUMBER CLXXVIII.— SUPPLEMENT. 



Mr. J. Ball on the Formation of Alpine Lakes 489 



^Tr. T. Tate on the Elasticity of the Vapour of Sulphuric Acid. 



(With a Plate.) 502 



Sir W. Snow Harris on the Correct Interpretation of the Elec- 

 trical Terms Intensity and Tension. (With a Plate.) 504 



Mr. J. J. Waterston on Chemical Notation 515 



M. Raoult's Researches on Chemical Heat and Voltaic Heat , . 522 

 Prof. J. Lovering on the Velocity of Light and the Sun's 



Distance 524 



Dr. Atkinson's Chemical Notices from Foreign Journals .... 536 

 Proceedings of the Royal Society : — 



Drs. Matthiessen and Vogt on the Influence of Tempera- 

 ture on the Electric Conducting Power of Thallium and 



Iron 542 



Messrs. J. A. Wanklyn and J. Robinson on Diffusion of 



Vapours 545 



Proceedings of the Geological Society : — 



Dr. Gordon and the Rev. J. M. Joass on the Relations of 



the Cromarty Sandstones containing Reptilian Footprints. 548 

 Mr. J. C. Moore on some Tertiary Shells from Jamaica. . 549 

 M. C. de Groot on the Geology and Mineralogy of a part 



of Borneo 549 



Mr. J. D. Macdonald on a new Fossil Thecidium from the 



Miocene Beds of Malta 549 



Mr. J. Leckenby on the Sandstones and Shales of the 



Oolites of Scarborough 549 



Mr. J. W. Salter on a new Crustacean from the Glasgow 



Coal-field 550 



Mr. A. C. Mackenzie on the Occurrence of Albertite at 



Mountgerald, Scotland 550 



Dr. T. Oldham, on the Occurrence of Rocks of Upper 



Cretaceous Age in Eastern Bengal 550 



Sir P. de M. G. Egerton on some Ichthyolites from New 



South Wales 550 



Mr. A. L. Adams on the Geology of the Nile Valley 551 



Mr. P. M. Duncan on the Fossil Corals of the West Indies. 552 

 On the Composition of the Water of the Dead Sea, by M. Roux. 553 

 On the Direct Determination of Oxygen in Organic Bodies . . 554 

 On the Volumetric Relations of Ozone, by M. T. L.Soret .... 554 

 Index , 556 



