CONTENTS OF VOL. XLVI. — FIFTH SERIES. V 



Page 

 Notices respecting New Books : — 



Dr. R. Liipke's Elements of Elect ro-Cbeinis try (treated 



experimentally) 258 



Proceedings of the Geological Society : — 



Mr. G. H. Morton on the Carboniferous Limestone of 



the Country around Llandudno 259 



A New Method of Measuring the Torsional Angle of a 

 Rotating Shaft or Spiral Spring, by Prof. G. Lanza 260 



NUMBER CCLXXX.— SEPTEMBER. 



H. Nagaoka and K. Honda on Magnetostriction. (Plates 1. 



AIL) 261 



Dr. J. H. Vincent on the Photography of Ripples. — Third 



Paper. (Plates III.-V.) 290 



Dr. Edwin H. Barton on the Attenuation of Electric Waves 



along a Line of Negligible Leakage 296 



Messrs. H. J. Tomlinson and Karl Pearson : Note on Con- 

 tinuous Beams. (Plate VI.) 306 



Mr. W. P. Boynton on a Quantitative Study of the High- 



Erequency Induction-Coil 312 



Mr. R. S. Hutton on the Compound Line- Spectrum of 



Hydrogen 338 



Prof. Oliver Lodge on Mr. Sutherland's Objection to the 



Conclusiveness of the Michelson-Morley iEther Experiment. 343 

 Mr. William Sutherland on the Latent Heat of Evaporation of 



Zinc and Cadmium 345 



Proceedings of the Geological Society : — 



Prof. Bonney on the Garnet-actinolite Schists on the 



Southern Side of the St. Gothard Pass 346 



Dr. C. Callaway on the Metamorphism of a Series of 



Grits and Shales in Northern Anglesey 346 



Mr. H. D. Acland on a Volcanic Series in the Malvern 



Hills, near the Herefordshire Beacon 347 



Mr. C. Dawson on the Discovery of Natural Gas in East 



Sussex 347 



Dr. J. T. Hewitt on Natural Gas at Heathfield Station 



(Sussex) 348 



A New Method of Measuring the Torsional Angle of a 

 Rotating Shaft or Spiral Spring, by E. J. Jervis-Smith. . . . 348 



