5© Mr. king’s Account of, &c. 
I have added a few rough /ketches to explain what 
has been laid in this letter. 
fig i. Reprefents the mafs of concreted fand and rope 
from the coaft of Lothian. 
ab /hews where there is one impreffion of a part of the 
iron ring. 
cd fhews were there is alfo another impreffion of the 
ring ; and 
ef fhews where there alfo remain fome impreffions of 
bits of untwifted rope, fo that this whole mafs feems 
to have been formed within the circumference of the 
ring. 
fig. ii. Reprefents a tranfverfe fedtion of the petrefac- 
tion within the wooden pipe, from the coal mine in 
Somerfetffiire ; and 
G fhews the place of the point of the nail, and the regu- 
lar curvilinear projection of the petrefadtion around 
it, regularly throughout the whole progrefs. 
fig. hi. Is a fketch of the gun, ffiewing the parts to 
which the incruftation adhered. 
