296 
ORIGINAL COMMUNICATIONS. 
In the arrangement of the chemical bodies and compounds, 
precedence is given to the simple elementary bodies, and, as 
we advance, we find their compounds following in the an- 
nexed order, a distinct and separate chapter being devoted to 
each class. 
Chapter 1st, Elementary Bodies; 2d, Mineral Acids; 3d, 
Metallic Oxides; 4th, Sulphurets; 5th, Chlorides; 6th, Bro- 
mides; 7th, Iodides; 8th, Cyanurets; 9th, Mineral Salts; 10th, 
Vegetable Acids; 11th, Vegetable Alkalies; 12th, Salts of 
Vegetable Acids; 13th, Salts with Vegetable Bases; 14th, 
Soaps; 15th, Alcohols and Ethers; 16th, Neutral Organic 
Bodies; 17th, Empyreumatic Bodies, 18th, Artificial Mineral 
Waters. 
All of these chapters contain many processes for substances 
which have not yet been introduced either into the Pharma- 
copoeias of Great Britain or the United States; some of which, 
we are of opinion, might, with great propriety, be omitted, — 
but there are others which constant experience has demon- 
strated to be well worthy a place in a standard national work, 
as efficient therapeutic agents. It would swell this notice to 
an unwieldy extent, to particularize the contents of each of 
the above chapters, and we, therefore, withhold a list 
we had commenced to prepare for the purpose of show- 
ing the grounds upon which our opinion is based. No good 
idea could be given of this subject, without exhibiting a com- 
plete list of the contents of the whole work, which would 
be evidently out of place here. Such of our readers, therefore, 
as have not confidence in our judgment, must examine the 
Codex themselves, and form their own conclusions. 
The only additional comment which we shall make upon 
this division, is to state, that in the eleventh, thirteenth, 
sixteenth, and seventeenth chapters, are found the formulae for 
preparing such of the new organic bodies as have been intro- 
duced into practice within the last few years, and from whose 
use such decided advantages have resulted, and whose intro- 
duction brings the work up to the present advanced state of 
chemical science. We annex a list of them : 
