SULPHATE OF QUININE. 187 
If the principle which has actuated these deservedly eminent 
writers, were fully carried out and acted upon, there would 
in fact be no end to the multiplication of species. 
( To be continued. ) 
ART. XXVI. ON SULPHATE OF QUININE. 
(In answer to Art. XL. Vol. I. Am. Jour. Pharm.) 
[Several communications have recently been received by 
the Committee of Publication from M. Delondre and his 
agents in London and New York, respecting the adulteration 
of Sulphate of Quinine, supposed to be of his manufacture, on 
which a report was made to the Philadelphia College of Phar- 
macy in December last. In justice to the parties, it has been 
deemed best to lay these communications before our readers 
without comment] 
In a letter addressed to the College under date of Nogent 
sur Marne, 15th May 1836, Mr. Delondre observes: 
" It was not until yesterday, that I was enabled to obtain 
a sight of the article you have published on Sulphate of Qui- 
nine of my manufacture, and the report of your committee of 
inspection on the same. 
"The tone of truth, moderation and science, that character- 
izes this memoir, has induced me to make some observations 
in reply, which I beg you will dispose of as you may deem 
best. 
" I no longer expose any Quinine for sale under my own 
name, the union of three rival manufactories having entirely 
changed my position in this respect; hence it is not from pe- 
cuniary motives that I now enter into these explanations, but 
from a due regard to my reputation. 
"In the first place, I do not seek to throw any censure on 
the workmen I employ, as I personally direct all operations 
