256 . Observations on Mr Bendant’s 
stance, in which is imbedded Hepatic sulph. of iron? which 
on being moistened with sulphuric acid gives off sulph. hy- 
drogen in large quantities. . } bebe Ae 
gate, one large specimen which I found near Chester 
village, in the sand, weighed upwards of 180 Ibs. after seve- 
ral large fragments were broken off. It consists of yellow 
jasper and chalcedony.» A large mass of chalcedony and 
jasper which is in part agatized, I have since seen not far 
from the meeting house, almost twice as large as the’ one 
found at the village. qa a 
oe 
vels in Hungary,* &c. with miscellaneous remarks on coal, 
volcanic rocks, where age has made still more diversity 
complication in their structure, as is the case with what be 
trap. It would be easy for any one who had sufficient p3- 
tience to describe every Lava that has been thrown out of 
other mountain produced by fire. 
* The maps ¥ wkwarkly placed in the that they copid not 
be opened without tearing them, which rendered it necessary to put _ 
on canvass to preserve them. 
