﻿CONTENTS OF VOL. XXXVII. FOURTH SERIES. V 



Page 

 Mr. T. Codrington on a section of the Strata from the Chalk 



to the Bembridge Limestone at WhitecliffBay 155 



Dr. H. A. Nicholson on the Graptolites of the Coniston 



Flags 155 



Mr. G. W. Ormerod on the " Waters tone Beds" of the 



Keuper 155 



Mr. E. R. Lankester on the remains of Pteraspidian Fishes 



in Devonshire and Cornwall 155 



Captain James Clark on the Geological peculiarities of the 



Saxon Switzerland 156 



On the Temperature of Flames and Dissociation, by E. Vicaire. 156 



On a Friction and Induction Electrical Machine, by F. Carre. 160 



On the Shape of the Flame of aBunsen's Burner, by A. Poppe. 160 



NUMBER CCXLVIIL— MARCH. 



Mr. C. Tomlinson's Historical Notes on some Phenomena con- 

 nected with the Boiling of Liquids 161 



Prof. J. A. Wanklyn on the Compounds of Ethylene-sodium 

 and of its Homologues 175 



Prof. J. Bayma on the Fundamental Principles of Molecular 

 Physics 182 



Mr. R. Moon on the Theory of Sound 189 



Mr. J. Croll on the Physical Cause of the Motion of Glaciers. 201 



Mr. R. A. Peacock on Mr. J. Croll's paper " On Geological 

 Time, and the probable Date of the Glacial and the Upper 

 Miocene Period " 206 



Prof. A. Lielegg's Contributions to the Knowledge of the Spec- 

 tra of the Flames of Gases containing Carbon 208 



Mr. D. Vaughan on the Secular Effects of Tidal Action 216 



Mr. J. J. Sylvester on the Story of an Equation in Differences 

 of the Second Order 225 



Proceedings of the Royal Society : — 



Mr. W. Crookes on the Measurement of the Luminous In- 

 tensity of Light 227 



Canon Moseley on the Mechanical Possibility of the 

 Descent of Glaciers by their Weight only 229 



Formation of an Artificial Spectrum with one Fraunhofer's 

 Line, by A. Wiillner 235 



On the Quantity of Electricity produced by the Electrophorus 

 Machine expressed in Absolute Measure, by F. Kohlrausch. . 236 



On the Interference of Liquid Waves, by M. Lissajous .... 240 



NUMBER CCXLIX.— APRIL. 



Prof. J. Tyndall on Cometary Theory 241 



Chevalier W. von Haidinger's Remarks on the Luminous, Ther- 

 mal, and Acoustic Phenomena attending the Fall of Meteorites. 246 



