C 79? ) 
There be many petrefying Waters > 9 and indeed I be 5 * 
lieve few of the Waters but participate of a petrefying 
quality, tho' there be few Pebbles or paving Stones to 
be found in all the Country. But I have found many 
Sticks with crufty Congelations round them in the Runs 
of Springs, and Stones figured like Honey-combs, with 
many little Stars as it were (hot in ths Holes. And no- 
thing is more common than petrefy'd Shells, unlefs you 
would determine that they are parts of natural Rock fliot 
in thofe Figures , which indeed I rather think but 
thereof hereafter. Mr. Secretary Spencer has told me of 
fome Waters participating much of Alome or Vitriol to- - 
wards Potomack. Up beyond the Falls of Rapahanack I 
have heard of Poyfonous Waters. But thele I only 
mention as a Hint to further Enquiry of (omcf others, for 
I can fay nothing of them my (elf. 
The remainder of this Letter leing his Obfervations on ■» 
the Earth and Soil of Virginia /hall he referred for 
the next Tranfaftion, 
