THE 
AMERICAN JOURNAL 
- 
OF 
SCIENCE AND ARTS. 
CONDUCTED BY 
BENJAMIN SILLIMAN, M.D. LL.D. 
esp aan. a &c. in Yale Coll. ; Cor. Mem. Soc. Arts, Man. and Com. ; and For. Mem. Geol. 
em. Geol. Soc., Paris ; Mem. Roy. Nat. 
. Min. Soc., Dresden } Hist. + 
; te ic. w; Hon. Mem. Lin. Soc., Paris; Nat. Hist. 
Belfast, Ire. ; Phil. and Lit. Soc., Bristol, Eng. ; Hon. Mem. Roy. 
and Scien. Sec. 
BENJAMIN SILLIMAN, Jz., A.B. 
of Chemistry, Mineralogy’and — in Yale College; Sec. of the 
Pfida Nak Hit. Gor , Mews. of the Coon, Acad. of Arts and Sci. ; Cor. Mem, of the @ 
Lyceum ceum of Natural : 
: # srninanandennisn tnt emma tient 
ri en ane ~ Seas 
