IV CONTENTS OF VOL. XL. FIFTH SERIES. 



Page 

 Messrs. S. B. J. Skertchly and T. W. Kingsmill on the 

 Loess and other Superficial Deposits of Shantung 



(Northern China) ; 150 



Dr. J. W. Gregory's Contributions to the Paleontology 



and Physical Geology of the West Indies 151 



Mr. J. D. Kendall on the "Whitehaven Sandstone Series. 152 

 On the Double Refraction of Electrical Kays, by K. Mach . . 152 



NUMBER CCXLIIL— AUGUST. 



Mr. J. Y. Buchanan on the Use of the Globe in the Study 



of Crystallography 153 



Dr. Kuenen on the Condensation and the Critical Phenomena 



of Mixtures of Ethane and Nitrous Oxide 173 



Mr. W. G. Rhodes on a Theory of the Synchronous Motor. . 195 



Mr. F. W. Bowden on an Electromagnetic Effect 200 



Dr. K. Olszewski's Determination of the Critical and the 



Boiling Temperature of Hydrogen 202 



Messrs. John Trowbridge and William Duane on the Telocity 



of Electric Waves 21 1 



Messrs. J. Alfred Wanklyn and W. J. Cooper on Fractional 

 Distillation applied to American Petroleum and Russian 



Kerosene 225 



Proceedings of the Geological Society : — 



Prof. J. B. Harrison and Mr. A. J. Jukes-Browne on the 



Chemical Composition of some Oceanic Deposits .... 229 

 Dr. C. S. Du Riche Preller on Fluvio-Glacial and Inter- 

 glacial Deposits in Switzerland 229 



Mr. S. S. Buckmau on the Bajocian of the Mid-Cottes- 



wolds 230 



On the Magnetism of Asbestos, by Dr. L. Bleekrode 231 



NUMBER CCXLIV.— SEPTEMBER. 



Mr. Shelford Bid well on the Electrical Properties of Selenium. 233 

 Messrs. Alfred W. Porter and David K. Morris on the Mea- 

 surement of Varying Currents in Inductive Circuits .... 256 

 Profs. Liveing and Dewar on the Refraction and Dispersion 

 of Liquid Oxvgen, and the Absorption Spectrum of Liquid 

 Air * 268 



