; 
; 
d 
| sata by H. Dex, New Pleas 
| Francts & Co. 
_ Publishe ed the first day of every second month, ps 8 ee 
— ) 
JOLY, 16. = No. 4. 
* 
THE 
AMERICAN JOURNAL 
OF 
il 
SCIENCE AND ARTS. 
; CONDUCTED BY a 
PROFESSOR SILLIMAN, B. SILLIMAN, Jr. 
es AND : 
# JAMES D. DANA. 
* SECOND SERIES. 
No. 4.—JULY, 1646. 
NE Ww HAVE N: 
_ PRINTED FOR THE ‘EDITORS BY B, L. HAMLEN, 
pees Printer to Yale College. 
& Brown, a 
nd W. H. 8. Jor: 
and en & ie Per se & Aa 
k . AN, Baltimore, ILEY TNAM 56 Hecto & BossancnG 
ESTLER & — Hamburgh. 
ee Ths No. Tr 8 Semper Ws 
