T. S. Hunt on Alpine Geology. 5 
discovery by Pillet of nummulitic beds intercalated in the same 
series near St. Julien in Maurienne. is fact was, however, in 
accordance with the conclusion previously reached by Sismonda 
from an examination of Taninge, that “the plants of the car- 
boniferous period were still flourishing while the seas were de- 
coal-plants. In 1861, the Geological Society of France held its 
extraordinary session at St. Jean in Maurienne, and there also 
the succession was made clearly evident, as follows: nummulitic, 
liassic, infra-liassic, triassic, and carboniferous; the last resting 
“the illusions without number to which a purely stratigra hical 
study of the Alps may give rise.” To this we ~~ add the 
in di inverted 
