11 
CONTENTS. 
Alteration experienced by the Hydrated Oxide of Iron under 
Water. By Dr. G. C. Wittstein, 62 
On a New Preparation of Iodine. — Syrup of Iodine and Chloride 
of Iron. By Samuel Battley, - - - 64 
On the efficacy of Pyro-Acetic Spirit in Gout and Rheumatism. 
By John Hastings, M. D. 66 
Observations on Nicotine, with a Description of a Method for 
determining its amouut in leaf and manufactured Tobacco. 
By M. Schloessing, - - - - 68 
Relation between Nitrification and the Fertilization of Soils. By 
F. Kuhlmann. - - ■ - - - 71 
Miscellany, - - - - - - -75 
