[ *3 1 
as the like ate to be found in every Place where-evet 
the Earth is broken open, or a Pit is digged. 
An Account of other Foffils, found near Hartford- 
Bridge in Norfolk. 
BGUT a Mile South of a little Country Town 
called Kijtck, and near two Furlongs from 
{n) Hart ford- Bridge, is a Pit, in which the Country 
People dig a particular Sort of Clay to lay upon their 
fandy Lands. 
Amongft this Clay, Sir, lie a great many Knots, 
Lumps, or Nodules, of a bluer Sort of Earth, not 
widely differing from that which is found in Har- 
wich Cliff : Thefe, when digg’d up, are foft$ but 
when they have been for fome time expofed to the 
open Air, they become almoft as hard as Flint. 
In and upon thefe Lumps are the Impreffions of 
the Cornu Ammonis or Snake- Stones in a beautiful 
Manner, from one Inch to five or fix in Diameter ; 
and feverai I faw with Part of the Shells upon them 
of a yellowifn White (o). 
Many other Shells arc to be found in thefe Lumps, 
as the Pehtunculus , Helmet-Stones, Belemnites, com- 
mon Cockle, Turbo s y &c. but thefe are moft of them 
very fmalh 
( n ) About three Miles South-Weft of Norwich. 
(0) c When this Clay was lofty I found it impoilibie to get 011c 
* -of them whole.’ 
But 
