IV CONTENTS. 



Page 

 Mr. Brayley's Remarks on the Commencement of Sir E. Ff. 



Bromhead's Paper on Botanical Classification * . . 137 



Mr. J. T. Cooper on the colouring Matter of the Ancient Ruby 



Glass 137 



Notice of Sir Isaac Newton's Manuscripts 1 38 



Analysis of Citric iEther, by M. Malaguti 139 



On the Combinations of Ammonia with Anhydrous Salts .... 14?1 



On the Oxalhydric Acid of M. Guerin 142 



Native Iodide of Mercury 143 



Carbomethylate of Barytes 143 



Analysis of Gadolinite, by Mr. A. Connell 143 



Meteorological Observations made at the Apartments of the 

 Royal Society by the Assistant Secretary j by Mr. Thomp- 

 son at the Gardens of the Horticultural Society at Chiswick, 



near London; and by Mr. Veall at Boston 144 



NUMBER LXVI.— AUGUST. 



Dr. A. Fyfe on the Use of Sulphate of Copper for exciting Vol- 

 taic Electricity, and on the Employment of Iron in the Con- 

 struction of Batteries 145 



Mr. L. Hunton on the definite Combinations of Sugar with the 



Alkalies and Metallic Oxides 152 



Mons. J. C. Marquart's Report of the Progress of Phyto- 

 chemistry in the year 1835, in reference to the Physiology of 



Plants 156 



Prof. Forbes's Account of some Experiments made in dif- 

 ferent Parts of Europe on Terrestrial Magnetic Intensity, 

 particularly with reference to the Effect of Height {continued) 166 

 Mr. Brooke on Murio-carbonate and Native Muriate of Lead 175 

 Prof. R. Hare on certain Points of Chemical Philosophy and 



Nomenclature 176 



Proceedings of the Royal Society 189 



- Zoological Society 196 



Geological Society 201 



On the Action of Iodine upon the Vegetable Alkalies, by M. 



Pelletier 216 



On Hydrobromate of Carbohydrogen (Methylene) 221 



On the Preparation of Sulphuret of Carbon 221 



Solubility of Oxide of Lead in Water 221 



Anhydrous Camphoric Acid, Camphovinic Acid, and Cam- 

 phoric iEther 221 



Gigantic Carp 223 



Curtis's Entomology 223 



Meteorological Observations 223 



NUMBER LXVII.— SEPTEMBER. 



Lieut.-Col. Emmett's Experiments made during a Voyage to, 

 and at Bermuda, on the Carbonic Acid in the Atmosphere 225 



