Dr, Daubeny on the Geology of Sicily. 235 
which appears to be to the south-west. However this may 
be, the whole series of beds seen at Cape Minjivio rests finally 
on mica-slate, which itself appears to repose on the gneiss of 
Melazzo. After leaving the former place, however, the 
quartzy rock appears for some time to predominate, until we 
arrive ata village called Giojusa, some miles west of the 
town of Patti, where it is seen at first curiously interlaced in 
thin strata, with a gray compact limestone, and afterwards 
giving place to that rock. This limestone contains several 
caverns, one of which was entered a few years ago, and 
found to contain bones of some large animals, which, unfor- 
tunately, were not preserved. I explored another which had 
recently been discovered, but found no animal remains; the 
floor was covered with stalagmites, and a black mould had 
been dug from it to render the access more easy. It would 
be interesting to ascertain whether this limestone be continu- 
ous with that of the mountains near Taormina to which if 
seems to be parallel. 
Between Guisa and Cape Orlando, we may observe 4 
repetition of the same slate formation as before, which is here 
of very limited extent, speedily giving place to a red sand- 
stone, not micaceous like the former, and containing red iron- 
shot grains of sand, instead of angular fragments of quartz. 
This red sandstone continues all along the coast to Cefalu, 
uninterrupted, except by a bed or two of compact grayish 
limestone, used as a marble, and without petrifactions, 
This sandstone sometimes alternates with thin beds of 
shale, like that belonging to the coal formation. 
The promontory of Cefalu consists of an isolated rock, 
which announces at a distance, by its bold and abrupt figure, 
that it is constituted of different materials from those of the 
preceding country. It consists, in fact, of a bluish fetid lime- 
stone, which, as 1 am informed, is termed by lapidaries a 
Lumachella marble, being hard enough to receive a polish, 
and having portions of sparry crystalline matter distributed 
over it, which appear to be derived from the presence of 
organic bodies, although these are rarely distinct, except on 
the weathered surtace of the stone. I found them best ex- 
hibited among the remains of the Cyclopean Temple, on the 
hill of Cefalu, the stones of which indicate, by their gigantic 
size, the extreme antiquity of the fabric. 
On the weathered surfaces, acted upon during so many 
ages, the petrifactions, as being the hardest portions, stand 
