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FOSSILIA SHEPEIANA. 
NATIVE F O S S I L S. 
The cliffs. 
T hese are compofed of three different Strata 
of brown Clay ; the uppermoft is of the 
lighted Colour, and mod friable; the lowed 
darked, and of a clofer Texture. 
P Y R I T JE. 
Coperas Stones^ are the mod frequent of all tl e 
Foflils of the Cliffs : They are of various Forms and 
Sizes; round, botryoide, flat, varying in every De- 
gree, as well in Figure as Colour, and impregnating 
mod of the other Foflils found here. 
LUDUS HELMONTir.- 
the Waaen Vein ; Nodules of which are lodged in 
the Cliffs in great Numbers; they are generally flat 
and oval, and of various Sizes, fometimes exceed- 
ing two Feet in length, all are covered with Coats 
