-s 
AMERICAN = ws. 
——— 
GEOLOGY, MINERALOGY, TOPOGRAPHY, — 
— i. 
Arr. if insti of the Geology and Mae te 
om a Work entitled *Storia Naturale della Sicilia. Cat 
1813; del. 4b. F. Ferrara, Translated and condensed 
= ty Fawes G. Percivan. 
Tue Geology of Sicily Tie three very distinct for- 
mations, viz. the Primative formation of granite, gneiss, 
mica- ‘slate and argillite, a its centre in the mountains 
ty orus, and thence extending westward, on the N. of 
a 
» Bias, towards the ce ntre of the island— the Secondary Lime- ale 
of tl 
by rocks of the paaitive fein 
: tion, nor by 
~ of voleanoes,—and, lastly, the Voleanic proce of £tna — 
and a line of extinct volcanoes extending S. through Val — 
_ di Noto to Cape Passaro. 
_ The Granite is confined to the mountains of Pelorus, a 
atiath extending N. by W. from Taormina, at the N. E. 
of tna, to Pai Milazzo, on 1 the N. coast ofthe ee It 
exactly to “the t 
~ site side of GEE 1r0 5 vi se heo : 
that the Appenines there bend W. and after being inter~ 
rupted by the Faro, terminate at last in the mountains of 
* Received from the Author by the Editor 
Vor. vit. ~ No. 2 26 
an an : 
