iv CONTENTS. 



Page 



NUMBER LIX.— FEBRUARY. 



Mr. R. Taylor's Notice relative to the Publication of the Sci- 

 entific Memoirs 81 



Mr. G. Bird's Experimental Researches on the Nature and 



Properties of Albumen, &c 84? 



Mr. A. Connell on the Action of Voltaic Electricity on Iodic 



Acid 93 



Mr. H. H. Brett on the Solubility of certain Metallic Oxides 



and Salts in Muriate and Nitrate of Ammonia 95 



Mr. J. Blackwall's Ciiaracters of a new Genus and some unde- 



scribed Species of Araneidce 100 



Rev. R. Murphy on the Composition of two Rectangular Forces 



acting on a Point 105 



Rev, P. Keith on the Classification of Vegetables 108 



Dr. R. J. Kane's Researches in Organic Chemistry : First 

 Series. — Contributions to the History of Pyroxylic Spirit and 



of its derived Combinations 116 



Prof. J. R. Young's Investigation of Formulae for the Summa- 

 tion of certain Classes of Infinite Series 121 



Dr. M. Hall on Prof. Miiller's Account of the Reflex Function 



of the Spinal Marrow 124« 



The Rev. J. W. MacGauley's Reply to Dr. Ritchie's Remarks 130 

 Prof. Schoenbein's Further Experiments on a peculiar Voltaic 



Condition of Iron ; in a Letter to Mr. Faraday 133 



Proceedings of the Geological Society 136 



Royal Society 141 



On the Reduction of Metals by Electricity 154? 



On a simple Method of obtaining Spongy Platinum \5^ 



On the decolorizing Combinations of Chlorine 155 



On the Action of anhydrous Sulphuric Acid on some Metallic 



Chlorides 157 



Artificial Formation of crystallized Iron Pyrites 158 



On the Degree of Cold produced by solid Carbonic Acid. . . . 158 



Mellitic Acid 159 



Meteorological Observations 159 



NUMBER LX.— MARCH. 



Messrs. R. C. Taylor and T. G. Clemson's Notice of a Vein of 

 Bituminous Coal in the Vicinity of Havana, in the Island of 

 Cuba 161 



Mr. C. Fox on Mr. Peter Nicholson's Rule for the Construction 

 of the Oblique Arch 167 



Mr. Brooke on the Crystallographical Identity of certain 

 Minerals 17O 



On the Results of Mr. Fox's Experiments on the Production 

 of Artificial Crystals by Voltaic Action 1 



