CONTENTS OF VOL. XIV. 
(FOURTH SERIES.) 
NUMBER XC.—JULY 1857. 
M. J. Plateau’s Experimental and Theoretical Researches on 
the Figures of Equilibrium of a Liquid Mass withdrawn from 
thie Arhion of Gravity 4157. gebaeiteaaeOak aelense a he eS 
Mr. W. S. Jevons on the Cirrous form of Cloud........ ... 
Mr. W. Lupton on Spherical Geometry ..............+++: 
Prof. Maxweli’s Account of Experiments on the Perception of 
RCRPTN A c8S Lae Pip ee MAE eet igh th ol gi ewan ae tt ine - 
The Rev. S. Haughton’s Notes on Mineralogy.—No. VI. On 
the Siliceo-Felspathic Rocks of the South of Ireland..... 
Dr. Atkinson’s Chemical Notices from Foreign Journals 
Proceedings of the Royal Society :— 
Prof. Thomson on rapid Signalling by the Electric Tele- 
Ee i Te eee COTS ee ee ee 
Prof. Donkin on the Equation of Laplace’ s Functions, &c. 
Mr. A. Cayley on Curves of the Third Order .......... 
The Rev. T. P. Kirkman on the k-partitions of a Polygon 
Bie POly aCe re iss Pe tashbie lhd. MoielSayele Shee soa. 
Major-General Sabine on the Variation of Magnetic Decli- 
Batipn. ak. Hobarten toca J Meet ees t. OF Ml. Segoe. 
Dr. Martyn on the Function of the Thyroid Body ...... 
Proceedings of the Geological Society :-— 
Dr. Falconer on the Species of Mastodon and Elephant 
occurring in the Fossil state in England............ 
Note on the question—Is there any advantage, in chemical de- 
compositions, in introducing an Induction Apparatus of one 
wire in the circuit of a Voltaic Pile? by C. Despretz...... 
On the slow Actions produced under the combined influence of 
Heat and Pressure, by M. Becquerel ............-. 0005 
Note on the Optical Propertiesof Magnetic Bodies, by M.Verdet. 
NUMBER XCI.—AUGUST. 
Sir W. Snow Harris’s Researches in Statical Electricity. (With 
CATES) petit rae MiNe erty. 26.9.7 48 ¢ Geiss = Mes UbRpha Ge si 
72 
75 
76 
78 
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