( ) 
finiilar to the Waxen Vein, furrounding each Per- 
foration 1 thefe are very common. 
CONCHYLIA UNIVALVIA. 
D E N T A L I A. 
The Tooth Shelby generally fmall, about an Inch 
long, curving towards the Apex in the more per- 
fefb Specimens, fome covered with their Shells, 
and others denudated ; both Sorts are common. 
PATELLA. 
The Limpety is a very rare Fofiil, having only 
once been colleded ; the Specimen was fmall, of 
the ftriated Sort, and fomewhat imperfeft. 
NAUTILUS. 
The chambered NautiluSy is a common FolTil of 
thefe Cliffs. Thefe vary in Size from that of Hazel- 
Nut to that of a Man’s Head, mod commonly 
they have their pearly Shell, and are often im- 
fnerfed in Nodules •, there are alfo fome fmall ones 
found of a ferrugineous Colour ; very few of the 
large ones are perfect, having received Injury by 
compreflion. 
ORTHO- 
