116 TRANS. OF THE ACAD. OF SCIENCE. 
peony ( oe eae — af Nu os pie Se Meek: § Hay pe In a pa- 
which I my, the whole fauna of these rocks _ 
Sh Ui eetienl > tos Lamprgennes with it. Age a cnr 
eas 
enclose a vertical section of the rocks at one point in ‘La Salle earns 
The beds are composed of sandstones and rg glomerates, ma 
occur in the rocks ed toa on: thus 
g, that, if this A aggoente = shall be proved to belong, undoubtedly, to 
the Penis period the great — - _ the nppet ® beds of coal in : 
2. This 
oie ape the very partial examination ie 1 ‘have been able to make of the 
remains from other*localities. I may also men e occurrence 
in nord slates of scales of a Platysomus, Which baledies to the Permian — 
SECTION OF THE ROCKS AT LA SALLE—DESCENDING. 
Noket 4 ft. in. | No. oft. im. 
1, Be age reddish clay ; 42 Coal shee ee eee ee Hee Oe pa 
