﻿CONTENTS of N° 273.— Fourth Series. 



XXXIII. On the Capillary Phenomena of the common Surface of 

 two Liquids. By G. Quincke page 245 



XXXIV. On an Optical Illusion. By Joseph LeConte 266 



XXXV. Contributions to the Mineralogy of Nova Scotia. By Pro- 

 fessor How, D.C.L., University of King's College, Windsor, Nova 

 Scotia 270 



XXXVI. On the Light from the Sky, its Polarization and Colour. 



By the Hon. J. W. Strutt, Fellow of Trinity College, Cambridge . . 274 



XXXVII. On Attraction caused by Vibrations of the Air. By 

 Professor Challis, M.A., F R.S., F.R.A.S 279 



XXXVIII. On the Plane Representation of a Solid Figure. By 

 Professor Cayley, F.R.S 286 



XXXIX. On the Cause of the Interrupted Spectra of Gases. By 



G. Johnstone Stoney, M.A., F.R.S., &c 291 



XL. On the Relations of Magnetism and Static Electricity. By 

 Charles W. Vincent, Temporary Assistant Librarian, Royal Insti- 

 tution 297 



XLI. Notices respecting New Books : — Introduction to the Study 

 of Inorganic Chemistry. By William Allen Miller, M.D., D.C.L., 

 LL.D., &c. — A Cyclopaedia of Quantitative Chemical Analysis. By 

 Frank H. Storer, A.M. Part I. — Handbook of the Metals. By 

 Thomas Allen Blvth, M.A. — The Elements of Algebra and Tri- 

 gonometry. By W. N. Griffin, B.D. — Algebraical Exercises and 



Problems ; with Elliptical Solutions. By Hugh McColl 302-306 



XLII. Proceedings of Learned Societies : — 



Royal Society : — Mr. E. Hull on the Extension of the Coal- 

 fields beneath the Newer Formations of England ; Archdeacon 

 Pratt on the Constitution of the Solid Crust of the Earth ; 

 Mr. G. Gore on Fluoride of Silver j Mr. C. F. Varley on the 

 Polarization of Metallic Surfaces in Aqueous Solutions ; Mr. 

 H. Mance on the Measurement of Electrical Resistance, and 

 on the Measurement of the Internal Resistance of a Multiple 



Battery by adjusting the Galvanometer to Zero 306-318 



Geological Society 318-321 



XLIII. Intelligence and Miscellaneous Articles : — 



On the Curve of a River's Bed, by Samuel Sharpe, Esq 321 



A New Experiment, and some Remarks on the Theory of Leiden- 

 frost's Phenomenon, by E. Budde 322 



*** It is requested that all Communications for this Work may be addressed, 

 post-paid, to the Care of Messrs. Taylor and Francis, Printing Office, Red 

 Lion Court, Fleet Street, London. 



