CONTENTS OF VOL. X. — FOURTH SERIES. V 



NUMBER LXVI.— OCTOBER. 



Page 

 Prof. Rose on a new and advantageous Method of preparing 



Aluminium ^33 



Messrs. F. C. Calvert and R. Johnson on Alloys ' ^40 



Mr. J. Bridge on the Application of Photography to Experi- 

 ments on Diffraction • • • • • ■ • • • • • ^51 



The Rev. S. Haughton's Notes on Mineralogy.— No. ill. On 



Serpentines and Soapstones 235 



Mr. W. J. M. Rankine on Pressures of Saturated Vapours . . 250 

 Prof. Tyndall on the Nature of the Force by which Bodies are 

 repelled from the Poles of a Magnet ; to which is prefixed, an 

 Account of some Experiments on Molecular Influences {con- 

 cluded). (With Two Plates.) • • 257 



M. E. Haeffely's Experiments on some of the Compounds 



of Tin with Arsenic 



290 



Prof. Connell's Improvements on a Dew-point Hygrometer 



lately described by the Author 293 



Notices respecting New Books :— Dr. Faraday's Experimental 



Researches in Electricity 295 



Proceedings of the Royal Society ; • 300 



Examination of the Green Matter contained in Green Infusoria, 



by the Prince of Salm-Horstmar 309 



On the Red disjjersed Light in a Solution of Chlorophyll, by 



the Prince of Salm-Horstmar 310 



On the Molecular Constitution of Crystals, by R.T.Forster.Esq. 310 



Meteorological Observations for August 1855 311 



Table 312 



NUMBER LXVII.— NOVEMBER. 



M. P. Riess on the Passage of Electric Currents through 



Rarefied Air 313 



Mr. J. D. Dana on the Molecular Constitution of Crystals . . 329 

 Mr. J. Thomson on certain curious Motions observable at the 



Surfaces of Wine and other Alcoholic Liquors 330 



Mr. %¥*. J. M. Rankine on Pressures of Saturated Vapours 334 



Colonel Sabine on the Magnetic Variation in the Vicinity of the 



Cape of Good Hope 335 



Archdeacon Pratt on the Curvature of the Indian Arc ; and the 

 great Geological Law, that the various parts of the Solid 

 Crust of the Earth are perpetually undergoing a Change of 



Level 



340 



Dr. Ayres's Examination of an Organic Matter found in an 



ancient Egyptian Bottle 345 



Prof. Buff on the Experiment of Leidenfrost 350 



