CONTENTS OF VOL. III. FOURTH SERIES. V 



Page 

 The Rev. B. Bronwin on the Integration of Linear Differential 



Equations 187 



Sir D. Brewster on the Development and Extinction of regular 

 doubly-refracting Structures in the Crystalline Lenses of Ani- 

 mals after Death. (With a Plate.) 192 



Mr. M. Donovan on the supposed Identity of the Agent con- 

 cerned in the Phenomena of ordinary Electricity, Voltaic 

 Electricity, Electro- Magnetism, Magneto - electricity, and 



Thermo-electricity {continued) 198 



Mr. E. Schunck on Rubian and its Products of Decomposition 213 



Notices respecting New Books : — Three Introductory Lectures 



delivered at the Government School of Mines and of Science 



applied to the Arts ; Museum of Practical Geology ; Dr. v. 



Feilitzsch's Optical Investigations occasioned by the Total 



Eclipse of the Sun on the 28th of July 1851 227 



Proceedings of the Royal Society 233 



On the Artificial Formation of several Minerals, by M. Becquerel 235 



Eloin's Improved Miner's Safety-Lamp 238 



Meteorological Observations for January 1852 239 



Table 240 



NUMBER XVIII.— APRIL. 



Prof. Wheatstone's Contributions to the Physiology of Vision. — 

 Part the First. On some remarkable, and hitherto unobserved, 



Phaenomena of Binocular Vision. (With two Plates.) 241 



M. H. Kopp on the Expansion of some Solid Bodies by Heat 268 

 Prof. Chapman on the Classification of the Silicates and their 



allied Compounds 270 



M. A. G. C. Martin on the Amylum Grains of the Potatoe. 



(With a Plate.) 277 



Sir D. Brewster on a Remarkable Property of the Diamond. 



(With a Plate.) 284 



Mr. T. S. Davies on Geometry and Geometers. — No. IX 286 



Mr. M. Donovan on the supposed Identity of the Agent con- 

 cerned in the Phaenomena of ordinary Electricity, Voltaic 

 Electricity, Electro - Magnetism, Magneto- electricity, and 



Thermo-electricity {continued) 290 



Dr. Woods on the Heat of Chemical Combination 299 



Proceedings of the Royal Society 304 



Royal Institution 311 



Cambridge Philosophical Society 316 



On Gas-Batteries, and on the Preparation of Hydriodic and Hy- 

 drobromic Acids by the Galvanic Method, by M. Osann .. 317 



Meteorological Observations for February 1852 319 



Table 320 



