﻿CONTENTS OF VOL. XXXVIII. FIFTH SEKIKs. VII 



NUMBER CCXXXV.— DECEMBER. 



Pago 



Dr. Thomas Ewan on the Rate of Oxidation of Phosphorus, 



Sulphur, and Aldehyde 505 



Dr. Thomas Muir on the Expressibility of a Determinant in 



Terms of its Coaxial Minors 537 



Mr. Edward P. Culverwell on a Mode of Calculating a Limit 

 to the Direct Effect of Great Eccentricity of the Earth's 

 Orbit on Terrestrial Temperatures, showing the Inadequacy 

 of the Astronomical Theory of Ice Ages and Genial Ages . 541 

 Mr. F. L. O. Wadsworth on a very Sensitive Form of Thomson 

 Galvanometer, and some Methods of Galvanometer Con- 

 struction. (Plate XIV.) 553 



Mr. Carl Bar us on Telephonic Measurement of Electromotive 



Force 558 



Prof. Reginald A. Fessenden on the Measurement of the 



Specific Inductive Capacities of Water, Alcohol, &c 567 



Dr. Sydney Young on the Influence of Relative Volumes of 

 Liquid and Vapour on the Vapour-Pressure of a Liquid 



at Constant Temperature 569 



Proceedings of the Geological Society : — 



Sir Archibald Geikie and Mr. Teall on the Banded Struc- 

 ture of some Tertiary Gabbros in the Isle of Skye . . 573 

 Mr. H. H. Arnold-Bemrose on the Microscopical Struc- 

 ture of Derbyshire Carboniferous Dolerites and Tuffs . 574 

 Mr. R. D. Oldham on the Origin of the Permian Breccias 

 of the Midlands, and a Comparison of them with the 

 Upper Carboniferous Glacial Deposits of India and 



Australia 574 



Messrs. W. Whitaker and A. J. Jukes-Browne on Deep 

 Borings at Culford and Winkfield, with Notes on those 



at "Ware and Cheshunt 575 



Mr. W. S. Gresley on the Occurrence of Anthracite 



generally, with a New Theory as to its Origin 576 



Mr. Henry Woods on the Igneous Rocks of the Neigh- 

 bourhood of Builth 576 



Prof. T. G. Bonney and Miss Catherine A. Raisin on the 

 Relations of some of the Older Fragmental Rocks in 



North-west Caernarvonshire 576 



On the Energy of the Amperian Molecule, by Prof. A. P. 



Chattock 577 



On the Propagation of Electromagnetic Waves in Ice, and 



on the Dielectric Power of this Substance, by M. Blondlot. 578 

 Index 580 



