CONTENTS OF VOL, XXIX. — THIRD SERIES. V 



Page 

 Dr. It. G. Latham's Facts and Observations relating to the 



Science of Phonetics (No. IV.) 183 



Newton's Letters to Oldenburg and Boyle respecting his Theory 



of Light and Colours 185 



Mr. T. Weddle's new Analytical Demonstration of the " Paral- 

 lelogram of Forces " 223 



Dr. C. F. Schcenbein on the Action of Hyponitric Acid upon 



Aqueous Solutions of Bromine and Chlorine 227 



Notices respecting New Books 229 



Proceedings of the Royal Astronomical Society 229 



Zoological Society 233 



Royal Irish Academy 236 



Analysis of a Calcareous Rock on which Fuci and Varechs vege- 

 tate, by M. Lassaigne 238 



Preparation of Protiodide of Iron, by M. C. Calloud 240 



On the Solubility of Alumina in Solution of Ammonia 241 



On the Bibasic Arseniate of Ammonia and Magnesia, by M.Le vol 243 

 Examination of a Fossil Resin found near Eu ( Seine -Inferieure), 



by MM. Lassaigne and Chevallier 243 



On the Occurrence of Fluor Spar, Apatite and Chondrodite in 



Limestone, by James D. Dana 245 



Remarkable Discoveries in Isomorphism, by M. Scheerer .... 246 



Scientific Memoirs 247 



Meteorological Observations for July 1846 247 



Table 248 



NUMBER CXCIV.— OCTOBER. 



Dr. Faraday on the Magnetic Affection of Light, and on the 

 Distinction between the Ferromagnetic and Diamagnetic 

 Conditions of Matter 249 



Mr. G. W. Hearnon the Composition and Resolution of Forces 258 



Mr. E. Schunck on the Substances contained in the Roccella 

 tinctoria 261 



Dr. Waller's Microscopic Examination of some of the principal 

 Tissues of the Animal Frame, as observed in the Tongue of 

 the living Frog, Toad, &c. (With a Plate.) 271 



Mr. It. J. Bingham on an Improvement in the Daguerreotype 

 Process by the application of some new compounds of Bro- 

 mine, Chlorine and Iodine, with Lime 287 



Mr. J. J. Griffin on the Constitution of Aqueous Solutions of 

 Acids and Alkalies 289 



Mr. S. M. Saxby on the Discovery of Footmarks in the Green- 

 sand of the Isle of Wight 310 



Drs. Muspratt and Hofmann on Nitraniline, a new Product of 

 Decomposition of Dinitrobenzole 312 



