CONTENTS OF VOL. XXII. — FOURTH SERIES. V 



Page 

 Proceedings of the Royal Society : — 



Dr. Hofmann on Oxide of Triethylphosphine 241 



Dr. Hofmann on Phospharsonium Compounds 245 



Proceedings of the Geological Society :— 



Mr. F. T. Gregory on the Geology of a part of Western 



Australia 246 



Mr. C. Moore on the Zones of the Lower Lias 246 



Additional Note on the Crystals of Lazulite described in the 



August Number of this Journal, by E. J. Chapman, Esq. . . 247 



On Ozone, Nitrous Acid, and Nitrogen, byT. SterryHunt,F.R.S. 248 



NUMBER CXLVIL— OCTOBER. 



Mr. C. Tomlinson on the Cohesion-Figures of Liquids. (With a 



Plate.) 249 



M. W. Weber on the Measurement of Electric Resistance ac- 

 cording to an absolute Standard 261 



Sir David Brewster on the Action of Uncrystallized Films upon 



Common and Polarized Light 269 



Prof. Tyndall on the Absorption and Radiation of Heat by Gases 

 and Vapours, and on the Physical Connexion of Radiation, 



Absorption, and Conduction. — The Bakerian Lecture 273 



M . J. Plateau's Experimental and Theoretical Researches on the 

 Figures of Equilibrium of a Liquid Mass devoid of Weight. — 



Fifth Series 286 



Mr. G. J. Stoney on the Amount of the direct Magnetic Effect 



of the Sun or Moon on Instruments at the Earth's Surface. . 294 

 Dr. Atkinson's Chemical Notices from Foreign Journals .... 299 

 Pr oceedings of the Royal Society : — 



Major-General Sabine on the Laws of the Phenomena of 

 the larger Disturbances of the Magnetic Declination in 

 the Kew Observatory : with notices of the progress of 



our knowledge regarding the Magnetic Storms 310 



Proceedings of the Geological Society : — 



Mr. H. C. Salmon on the Occurrence of some large Granite 

 Boulders, at a great depth, in West Rosewarne Mine, 



Gwinear, Cornwall 324 



Dr. Dawson on an erect Sigillaria from the South Joggins, 



Nova Scotia 325 



Dr. Dawson on a Carpolite from the Coal-formation of 



Cape Breton 325 



Mr. W. Whitaker on a Reconstructed Bed on the top of 



the Chalk 325 



Mr. J. W. Salter on some of the Higher Crustacea from 



the British Coal-measures 325 



Analysis of Gyrolite, by Henry How, Professor of Chemistry, 

 King's College, Windsor, Nova Scotia , 326 



