6 \ : 
GENERAL INDEX 
TO THE FIRST SERIES OF 
THE JOURNAL OF SCIENCE AND ARTS. $= 
IN ONE VOLUME OF 348 PAGES, 8vo.—Pricz, $3. . 
A rew copies remain for sale in the hands of the Publishers. 
Enquire of Sittiman & 
See farther, second page of Cover. 
New Haven, March 1, 1851. 
CATALOGUE OF SHELLS. * 
Tue subscriber has this day published the fourth edition of his 
Catalogue, containing upwards of 11,00U species and varieties, 
together with 6,000 “synonymes: to which a added their. Au- 
thorities, Localities and References to where fignred or d escribed. 
It is published on fine sag fetes Ato., and contains 460. pages 
with a complete Index. ce $3 ipypaper covers or sheets, and 
$3,50 bound in mas 4 Fy 
< HNC. JAY, 
wn Se seve Ww co Ca, New York. 
ing terms :— 
100 spepler averaging two or three of OP 
200 - 
