Geology. 285 
its, usually about one and a ha r ay 
majority of fossil shells in pers sag a beds belong to recent species 
At the base of those inland cli ut sometimes 50 feet above the level 
occur. One of the best known of these is the Grotto di Santo Ciro, in 
the Monte Griffone, about two miles from Palermo. This cave has been 
f bo 
ean soil, T 5 bones from ‘hiss eave had lon ng en pisos and 
mee formerly thought to be those of giants, Some years since bones. 
e here excavated for exportation ; and M. Christol at Marseilles was 
spied to recognize the vast majority of remains of two species of 
galt Besides the ee te remains 0 So also occur. Prof. 
Marine bed with oe and continuous with the external ter tiary cde. 
The wall of the cave to the te of eight feet from os floor had been 
; . spdean that of 
reds of Hippopotams The remains of 
lis, t ead sigan 
is grey oe pi o istic of the other pliocene caves of 
met with also, 
