258 FOWNES' ELEMENTARY CHEMISTRY. 
ART. LXIX.— ELEMENTARY CHEMISTRY, THEORETICAL AND 
PRACTICAL. By George Fownes, Ph. D., Chemical Lecturer, 
&c. Edited with notes by R. Bridges, M. D., Prof, of Chemistry in 
the Philadelphia College of Pharmacy, &c. Second American edi- 
tion. Philada., Lea & Blanehard, 1847. pp. 460. 
The announcement of a new American edition of Fownes ? 
Chemistry, so soon after the first, is a gratifying indication 
not only of the merit of the work, but of the increased de- 
mand for chemical literature in this country. An English 
reprint has not yet appeared, and the editor, in bringing 
out a new edition, has not had the advantage of those sug- 
gestions from the author of the work which are generally 
forthcoming with a reprint. In lieu of these, he has 
given evidence of a careful revision in the numerous notes 
that are appended to the text, elucidating some portions, 
extending others, and in several instances introducing sub- 
stances overlooked by the author. The ammoniacal phos- 
phates may be instanced as an example of the latter. One 
of these, the neutral phosphate, has come into use as a re- 
medy and it is of some importance to know the characters 
which distinguish it from the acid phosphate, which is not 
possessed of the same medical qualities. The tartrate of 
iron and potassa is another instance; and indeed the work 
has been brought up to the present time by the introduction 
of the new facts announced since the former edition ap- 
peared. 
Of the merits of the work as a text book, it is unnecessary 
to speak, having on a former occasion fully expressed our 
views. It is sufficient to state that the typography and 
paper are clear and good, whilst the already numerous dia- 
grams have been increased. W. P, Jr. 
