A COLLECTION OF MINERALS 
For the illustration of a course of Chemical Lectures, embracing 300 
“ea 8: ey ps the rarer Ores and substances. This Collection 
has for the purpose named by an abt te teacher. Hav- 
ing no 5 Yaris use for it, it may be purchased very cheap. For further 
information apply to the Editors of this Journal. [tf] 
GENERAL INDEX 
TO THE FIRST SERIES OF 
THE JOURNAL OF SCIENCE AND ARTS. 
IN ONE VOLUME OF 348 PAGES, 8vo.—Pricr, $3. 
Ew copies remain for = in the hands of the Publishers. 
Banliire of Sirtman & Dan 
See further, second page of - Cover. 
New Haven, March 1, 1851. 
