CONTENTS OF VOL. XXIV. THIRD SERIES. V 



Page 

 Dr. W. Gregory's Further Contributions to the Chemical Hi- 

 story of the Products of the Decomposition of Uric Acid . . 186 

 Mr. W. H. Balmain's Additional Observations on iEthogen . . 191 

 Mr. S. M. Drach on the Empirical Law in the Enumeration of 



Prime Numbers 192 



Dr. A. W. Hofman's Chemical Investigation of the Organic 



Bases contained in Coal-Gas Naphtha (continued) 193 



Proceedings of the Royal Society 206 



■ Geological Society • . 217 



An Experiment in proof of the Latent Light in Mercury, by 



Professor Moser 232 



On the Equivalent of Zinc, by Mons. P. A. Favre 233 



Mode of distinguishing Zinc from Manganese when dissolved 



in Ammoniacal Salts, by M. Otto 234 



Preparation of Protiodide of Iron, by M. Mialhe 234 



On Chlorazotic Acid, by M. Baudrimont 235 



Analysis of Beaumontite, by Mons. A. Delesse 236 



Description and Analysis of Sismondine, by M. A. Delesse . . 238 



A Meteorological Phenomenon 238 



Meteorological Observations for January 1844 239 



Table 240 



NUMBER CLIX.— APRIL. 



Mr. W. Cram on the Manner in which Cotton unites with Co- 

 louring Matter 241 



The Rev. A. Sedgwick's Outline of the Geological Structure 

 of North Wales 246 



Mr. W. J. Henwood on the Heaves of Metalliferous Veins by 

 Cross-veins. — Part II 258 



Dr. A. W. Hofman's Chemical Investigation of the Organic 

 Bases contained in Coal-Gas Naphtha (concluded) 261 



Prof. Grove on the Gas Voltaic Battery. — Experiments made 

 with a view of ascertaining the rationale of its action and 

 its application to Eudiometry 268 



Prof. Latham's Facts and Observations relative to the Science 

 of Phonetics 279 



Prof. T. Bischoff's Reply to Dr. Martin Barry's " Remarks" on 

 his " Entwickelungsgeschichte des Kaninchen-Eies 281 



Mr. Sylvester's Elementary Researches in the Analysis of Com- 

 binatorial Aggregation 285 



Notices respecting New Books : — Prof. D. Low's Inquiry into 

 the Nature of the Simple Bodies of Chemistry ; A Memoir 

 of the Life, Writings and Mechanical Inventions of Edmund 

 Cartwright, D.D., F.R.S 296 



