lv CONTENTS OF VOL. XIV.— FOURTH SERIES. 
Page 
Dr. Atkinson’s Chemical Notices from Foreign Journals .... 100 
Prof. Clausius on the Nature of the Motion which we call 
(2 Re rr eer oe NR Ye ng dO 108 
Mr. C. W. Vincent on the Formation of Sulphide of Aluminium. 127 
Mr. G. P. Scrope on the Formation of Craters, and the Nature 
of the Liquidity of Lavas ......--. ee 2 Sr 3, 
Mr. A. Cayley on the Equipotential Curve ~ a a mC 142 
Notices respecting New Books :—Prof. Bunsen on Gasometry, 
comprising the leading Physical and Chemical Properties of 
Se Sali ae So rete Bile sine Vos, lean pie hele ene 
Proceedings of the Royal Society :— 
Prof. Hodgkinson on the Strength of Pillars of Cast Iron, 150 
Mr. A. Cayley on the Symmetric Functions of the Roots 
146 
of certain Systems of two Equations ... ....--+--- 152 
Mr. A. Cayley on the Resultant of a System of two Equa- 
Garis * See as Oe heats eles anata’ som ghee hernia 153 
Proceedings of the Geological Society :— 
Mr. J. Phillips on some Comparative Sections in the 
Oolite and Ironstone Series of Yorkshire...........- 153 
Prof. Buckman on the Oolite Rocks of Gloucestershire 
Grid INGrtl Wats esis os) pe sleleractinipic lege lelelmisi ene 154 
Prof. Ansted on the Geology of the Southern part of Anda- 
lusia between Gibraltar and Almeria .......... +++. 155 
On some Special Laws of Electrical Force, by Sir W. 8. Harris. 156 
On the Composition of Beudantite, by M. Rammelsberg .... 159 
On the Improved Induction Coil, by C. A. Bentley ........ 160 
NUMBER XCII.—SEPTEMBER. 
Prof. Draper on the Measurement of the Chemical Action of 
Messrs. Calvert and Johnson on the Chemical Changes which 
Pig Iron undergoes during its conversion into Wrought Iron. 165 
Sir W. Snow Harris’s Researches in Statical Electricity .... 176 > 
Mrs it.-Gathris: on lodide ‘of: Acetyle:..'30)\05)s:2,.004, AO 183 
Mr. F. Guthrie on the Preparation of the Double Atthers .... 186 
Mr. G. P. Scrope on the Formation of Craters, and the Nature of 
the Laquidity. of Layasi.... viola Pat eee ee 
Mr. H. Medlock on the Reciprocal Action of Metals and the 
Constituents of Well- and River-waters ................ 202 
Mr. J. P. Joule on Heat, and the Constitution of Elastic Fluids. 211 
Messrs. W. H. Perkin and B. F. Duppa on the Action of Bro- 
mnie Oh ACEO MOI iy INS eo Ae eas 204 oo os whee 
Proceedings of the Royal Suciety :— 
Mr. A. Cayley on the Symmetric Functions of the Roots of 
BUMIGUALION ich ect wee ee : 
161 
188 
218 
