( 1 571 ) 
A iate Antlior i« of opinion, that f/jis Bed of Stories was 
the to ^nuation of the Loamy Cliffy where the Cliff h^s beefz 
waffjed du a} or ctit : And that they are the Prodnijiion of a . 
Vitriohf^e juiccin conjm&^on with the Loam as the com- 
mon Copperai» Stones ^jq by the fame Joice in a Gr^z^£?/, 
and that tp,e latter vve;;e only tq be found whtx^ xh^Uiff 
was gravelly, svid 't where the Loam is. How far thefe 
Stones are the effeft of a Fitrwlinejuice^ I will not deter» 
rniOjbut this I can affirm, that I have now by me Tome of 
the Pyrites or common Copperas Stones^ which I did pick 
out of theC/""^? 'Stratum of this Cliff in which they may 
be frequent.^ met with, as mention d in its defcriptioo. 
Nor do I remember at any time to have obferved thefe 
Stones to be invefled with either Gfpfum orTrichitis^ as the 
fame Author aftirms^ but with the aforefaid Liidus Para- 
celjf^ and fome other fort^ of Lap, Stalag/m4^ frequently* 
How thofe Shells or Marine Bodies *tame to be here 
pofited, is a Subjed, which hath imployed the Heads and" 
Pejig of divers learned and ingenious men, and your felf 
b'eing ingaged in thccontroverfy, 1 ilia!! not pretend to 
Xay any thing thereof, kft ! fhould be thought YikePhor-' 
mo to treat of the Art of War -before Bdrinihal^ only crave 
leave to make fonie remarks- on the pofitive aflcrtian of 
the aforefaid Author, concerning the imbedding of thefe 
lojfil ^/W/jinthifi ClirF, and the alteration of the Channel^ 
m-x>* That this Bed of Shells^ which covers the Cliffy was car-' 
ried thuker at the malqvg "of the Harbour or clearing of it. 
For^tke Harbour orihamtel there k artificial a?id of *io old 
date^ the Ctirref7t having been former I}) on the other fde of 
Languard Fort, 7vhivh then flood in Effex. Againft the firft 
part of whicho aitho many reiifons niight be given to 
proT*e, the contrary, I (hall only trouble you with the 
following, and as our Author begs the Queflion, How elfe 
could the Shells Ije a top oi thisCliif^? So { Ihall a!fo ask 
him", why the ilr.ne Strata of Sand, and Fragments of 
Shellsj with the fame Fojjils imbeddedj are to be found^ac 
Walter: 
