Af. beige 
Be Vor. Y. MARCH, 1848. Ge Ano bk 
Published the first day of every second month, price $5 le car. 
THE 
AMERICAN JOURNAL 
OF 
* 
SCIENCE AND ARTS. 
CONDUCTED BY 
Proressons B. SILLIMAN anv B. SILLIMAN, Jr. 
AND 
JAMES D. DANA. 
SECOND SERIES. 
No. 14, MARCH, 1848. 
NEW “HAVEN: 
PRINTED FOR THE EDITORS, BY e A . HAM EN, 
ee dT. Wier, Jr., Boston. —C. S, 
lew York.—Carey & Harr, "Philadelphia.— 
U ee or Tor Bossancr & Co. 
Tournal ony distances 9 ae 
