412 



REVIEWS — Taylor's treatise on poisons. 



MAGNETIC PART. 



I. 



Iron 82.95 



Nickel 14.41 



Cobalt 1.08 



Manganese 



Chromium 0.16 



Phosphorus 0.12 



Sulphur trace. 



THE UNMAGNKTIO PAET. 



r. 



Silica 41.14 



Magnesia 27.06 



Protoxide of iron 24.51 



Alumina 2.46 



Lime 0.15 



Protoxide of Manganese 0.46 



Soda 1.92; 



Potassa 0.56 ' 



Graphite 0.15 



Sulphur trace. 



Copper " 



Iron 



Nickel 



Bituminous matter , 



Oxide of Chromium 



Iron as Sulphide 



0.83 



2.14 



Owing to the work haying been printed at Gottingen, it contains an 

 unfortunate quantity of typographical errors, and of German expres- 

 sions which occasionally render the writer's meaning somewhat obscure. 

 This occurs particularly in the portion where the method of analysis is 

 described, and it is to be hoped, that as Dr. Harris is now a resident 

 amongst us, holding the chair of modern languages in Victoria College* 

 he may be induced to reproduce this portion of his pamphlet in a cor- 

 rected form. H. 0. 



Taylor's Treatise on Toisons. 2nd Edition. Blanchard & Lea, 1859o 



In the July number of the Canadian Journal, while reviewing that 

 portion of Dr. Taylor's work on poisons, which treats of arsenic, the 

 writer was induced to make some objections to the restricted use of 



