“uMERICAN JOUR £ 
OF 
SCIENCE AND ARTS, 
CONDUCTED BY 
BENJAMIN SILLIMAN, M.D. LL.D. 
“tae ei eg &c. in Yale Ooll.; Cor. Mem. Soc. Arts, Man. and Com., Cor. Mem. ag — iy 
d For. Mei Geol. Soc., Hon. Maen: Br. and For. Abor. Protec. Soc,, and of Scien. Soc. Ys 
d Statis. aon 
Wilieemaremnsorenrmmeneernn 
t, Sac., — Hon. Mem. Agric. Soc. 
fast, Ire.; Phil. and Lit, 
ussex fea. ste tah En 
rehzeological 
BENJAMIN SILLIMAN, Jr., A.B. 
| Assistant in the depariment of Chemi istry, Mineralogy = Bag og in Yale College; Cor. Mem. 
. Of the Meteorol ogical Soc., —— Sec. of i Vale ; Mem. of the Conn, 
cad. of = and Sei; fem the oo Tm vob Natural History; 
w York; of i pag Society of Natural Histery, éc. 
VOL. XXXIX.—Ne. 1—JULY, 1840. 
NEW HAVEN: : | 
old Be * H. MALTBY and B. & W. NOYES. —Piladsiphe, CAREY & 
HA d J. 8. LITTELL.—Baltimore, MAN 
& ¢ 3 
MES 8. HODSON, 112 Fleet St.—Paris, 
AY, Qaay Voltaire —Hamburzh, Messrs. 
“PRINTED | BY B. 1. WAMLEN. _ 
Published at New aren, Suiy 25, 2: 
