6 Granger on Zanesville Slate. 
this with the stalk and leaves—stalk two feet, leaves about 
eight inches. 
o. Vand 8, i impressions: are from the same, but the stone 
contains more san 
o. 9, specimen “of said stone from the'same bedstimi- 
lar impressions are found in bituminous and argillaceous 
slate, in the same bed in great abundan 
The next stratum is sand stone navy ing in thickness from 
five to fifty feet in different places. The solid parts of the 
rock contain throughout, pieces of carbonized wood—be- 
tween the layers, the wood is more frequently bituminized, 
and changed to stone-coal. ‘Trunks and branches of trees 
petrified are often found, the bark generally changed to stone- 
coal. In part the wood seems in these cases to have per- 
ished, leaving a mould which has been filled up with sand. 
C. No. 1, 2, 3, 4 and. 5—the drasriiigs are fon mipcenes 
in this iain tnd 
No. Be must be the same ke No. 1. The 7 aikrestihbile 
draw eS omngwene of Fossil Riliquia found 
in the coal strate of England 
No4i is a branch about four Fiabe in diameter a little flat- 
~ Above this sand stratum for many feet, lies soft ar- 
zillaceous slate without impressions. 
_ No. 1 and 2—specimens rest upon this and form ‘the 
floor of a coal stratum. 
No 1, was found in length ten feet, and in breadth four 
feet—impres —_— on the under side. It is doubtless the 
same as. in the sand stone. E. Coal. —The stratum 
from one bey feet thick. In this vicinity but one stratum 
is found above the river, another much thicker i is ope by 
boring from 15 to 20° feet below the bed of the river. 
stone p laterveritg ain 
_ Above this, and-inaadall resting-on siidlie: coe is aunties 
= from two to four feet ‘of shell lime stone—from hénce 
‘the tops of the hills is either. clay, slate, or sand stone. 
= ean only add that these impressions afford a considera- 
ble — and are found in great abundance.) * 
satisfied they are mostly of a tropical growth. li 
Sang he puliyae to us to be informed of the species of 
