CONTENTS OF VOL. II. FOURTH SERIES. V 



Page 

 Further researches upon Crystallization by the Dry Method, by 



M. Ebelmen 248 



New Static and Dynamic Theory of Ultimate Particles, by 



M. Zantedeschi 249 



Meteorological Observations for July 1851 251 



Table 252 



NUMBER XL— OCTOBER. 



Mr. F. Claudet on a Class of Ammoniacal Compounds of Cobalt 253 



Mr. C. T. Beke's Summary of recent Nilotic Discovery 260 



Dr. Woods on the Heat of Chemical Combination 268 



Prof. Thomson's Second Note on the Effect of Fluid Friction in 

 Drying Steam which issues from a High-pressure Boiler into 



the open Air 273 



The Rev. A. Thacker on the Motion of a Free Pendulum 275 



Mr. P. J. Martin on the Anticlinal Line of the London and 



Hampshire Basins {continued) 278 



Mr. J. Cockle on the Solution of certain Systems of Equations 289 



Prof. Muspratt and Mr. J. Danson on Carmufellic Acid 293 



Dr. Beer on the deduction of Fresnel's construction from the 



formulae of Cauchy for the Motion of Light 297 



The Rev. J. A. Coombe on the Motion of the Apse-Line in the 



Pendulum Oval 303 



Mr. J. P. Joule's Account of Experiments demonstrating a limit 



to the Magnetizability of Iron 306 



Notices respecting New Books : — M. F. Woepcke's L'Algebre 

 d'Omar Alkhayyami; Mr. R. J. Bingham on Photogenic 



Manipulation 315 



Proceedings of the Royal Society 316 



Royal Astronomical Society 321 



On the Production of Sugar in the Liver of Man and Animals, 



by Claude Bernard 326 



On the Crystallization of Cymophane, by M. Ebelmen 330 



On the Presence of Ammonia in Hail-stones, by M. M^ne. ... 331 

 On the Application of Rectified Oil of Coal-Tar to the Preser- 

 vation of Meat and Vegetables, by M. Robin 331 



Meteorological Observations for August 1851 331 



Table 332 



NUMBER XIL—NOVEMBER. 



Dr. Tyndall on the Polarity of Bismuth, including an Examina- 

 tion of the Magnetic Field ... 333 



Mr. T. J. Herapath on the Combination of Arsenious Acid with 

 Albumen 345 



