Oxford^ Nov.. to, lyoi. 
— — \K7^ ^'^^^^ furprizd here, to find fo many 
% V Fojjils^ fcarce diftinguilfeable from Sea 
Shells : for^ as I mention'd before to you, the cafe h- 
other wife in thofe places I fearched. We have indeed 
in theft Parts one or tw©^ Foffil Shells of a Tcftaceous fub- 
ftance 5 but in colour they recede farther from thofe of 
the Sea than yours. I find by thofe fent me, that you 
fomet'smes find them imbedded in folid Stone : Which 
takes off any obfedion fome might offer, of their being 
an accidental fcattering of Gulls^ Crows^ on the 
Harwich Cliffs. 
Looking upon this oecaSon into Cambdens Britamia^ 
I find in the laft Edition a Note concerning a Petrifying 
Spring at Harwich^ which reduces Glay and Wood intc^ 
Stone, of which Iftioild be glad of fome particular ac* 
count from you at your leifure: as alfo of the place where 
thefe are fouEdj particularly how far the fartheft fro^ 
the Sea« 
lit M 
