Vou. XI. | MAY, 1851. ee NR 
|, Publishea the first day a every second month, price $5 per year. 
OF 
SCIENCE AND ARTS. | 
: CONDUCTED BY 
Puorsssons B- SILLIMAN,- B. SILLIMAN, Jay 
AND 
JAMES D. eae 
. AIDED : ‘ 
Sl THE DEPARTMENTS OF CHEMISTRY AND PuYsics. i 
BY 
De. WOLCOTT GIBBS. - oe 
SECOND SERIES. 
No. 33.—MAY, 1861. 
3 NEW HAVEN: 
PUBLISHED BY THE BDITORS. 
