+ T. S. Hunt on Alpine Geology. ‘ 
The unerystalline strata in the region around Mont Blane 
include representatives of the carboniferous, triassic, jurassic, — 
cretaceous and tertiary. The existence of an ap- 
of some Alpine geologists. ' 
ew questions in geology have been more keenly debated, — 
i him estimated — 
. have a thickness of from 25,000 to 30.000 feet, and included — 
tions of the anthracitic system. TO this was added in 1860 the 
