IV. 
CONTENTS. 
New method of preparing Iodic Acid. By Lewis Tliompson, 
Esq. ....... 49 
Extract of a letter from Professor Christison, of Edinburgh, to M. 
Robiquet, on Gamboge and Scammony. . . .50 
On the effects of Terrestrial Radiation on the processes of Vegeta- 
tion; and some account of the Chinese method of propa- 
gating Fruit Trees. By. J. Murray. . . .52 
Review of the " Report from the Select Committee on Medical 
Education, with the Minutes of Evidence and Appendix, 
Part III. Society of Apothecaries, London. Ordered by 
the House of Commons to be printed, 13th of August, 
1834." ....... 56 
Poisoning by Arsenic employed externally. . . .75 
Report made to the Society of Medical Chemistry, upon a Note 
addressed to it, by M. Guyot, a Pharmaceutist of Paris, 
entitled " Of the Decomposition of Essential Oils by 
Iodine." . 79 
Miscellany. ....... 81 
