CONTENTS. ▼ 



Page 

 Prof. Schoenbein's Remarks on Faraday's Hypothesis with re- 

 gard to the Causes of the Neutrahty of Iron in Nitric Acid 172 



Note from Professor Faraday on the preceding paper 175 



Report by a Committee of the Royal Society (of Edinburgh) 



regarding the New Dioptric Light of the Isle of May 176 



Mr. L. Thompson's Remarks on Mr. Brett's Experiments on 

 the Solubility of Metallic Oxides and Salts in Muriate and 



Nitrate of Ammonia 178 



Mr. C. Riimker on the Solar Eclipse of May 15th, 1836 180 



The Rev. W. Ritchie. LL.D. on a simple Mode of exhibiting 

 Newton's Rings, and a Mode of exhibiting the Fixed Lines 



in the Spectrum 183 



The Rev. J. B. Reade on a Method of producing Achromatic 

 Light in Solar and Oxy-hydrogen Microscopes, and on the 

 Effect of a Current of Air upon the Rays that occasion Heat 184 

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



of the Spinal Marrow {concluded. ) 187 



Mr. G. Rainey's Analysis of Dr. Ritchie's Paper in reply to his 

 last Communication concerning Magnetic Reaction, con- 

 tained in the Phil. Mag. for January 193 



Prof. Forbes on the Results of Experiments made on the 



Weight, Height, and Strength of above 800 Individuals .. 197 

 Mr. L. Horner on an Artificial Substance resembling Shell; 

 with Sir David Brewster's Account of an Examination of the 



same 201 



Proceedings of the Royal Society 210 



■ Linnaean Society 223 



Royal Astronomical Society 227 



On the Symmetrizing Power of the Eye, by the Rev. J. G. 



Mac Vicar 234- 



Starch 235 



On the Action of Sulphurous Acid on Steel 235 



Analyses and Characters of Minerals, by M. Kudernatsch and 



Count Schaftgotsch " 236 



Mr. J. De C.Sowerby's Correction of an Error in Mr.Wetherell's 



Paper, and Notice of Venus Morrisiif a new Fossil Shell . . 239 

 Meteorological Observations „ 239 



NUMBER LXI.— APRIL. 



Mr. J. Young's Account of a new Voltaic Battery, being a 

 Modification of the Construction recommended by Mr. 

 Faraday 241 



Mr. W. De la Rue on the Effects of a Voltaic Battery charged 

 with Solution of Sulphate of Copper '. 244 



M. J. CI. Marquart's Report of the Progress of Phytochemistry 

 in the year 1835, in reference to the Physiology of Plants. . 247 



Dr. C. T. von Siebold, of Danzig, on a Double- bodied Intes- 

 tinal Worm, the Syngnmus trachealis 2.53 



