6 
|. © GENERAL INDEX 
THE JOURNAL OF SCIENCE AND ARTS. 
IN ONE VOLUME OF 348 PAGES, 8vo.—Price, $3. 
A ¥rEw copies remain for sale in the hands of the Publishers. oe 
Enquire of Suximas & Dana. Migs 
New Haven, March 1, 1851. ; : . 
CATALOGUE OF SHELLS. 
It is published on fine sized paper, 4to., and contains 460 Pe 
with a complete index: Price $3 in paper covers or sheets, and 
,o0 bound in muslin. 
JOHN C. JAY, sae 
%. Rye, Westchester Co., New York 
- Dee. 1, 1850.—ly. : 
To Collectors of. British Shells and Fossils 
"ROBERT DAMON or Weymourn, Donser, ENoLano, 
Supplies collectors of ihe shells of the ee Isles ¢ on the follow- 
~ wens mee . 
100 species averaging two or fess af wk £2 12 6. 
200 6 0 
300 er - - «13 48 
400 
