( M4 ) 
ORTHOCERATITES. 
Small Fragments feemingly of this Genm are 
found here, but very uncommon ; the Chambers 
or Partitions appear to be united by a Dove -tail 
Suture. 
TUBULl CONCAMERATI. 
Cylindrical Bodies, with feveral Concamerations 
pairing tranfverfly through them, are generally of 
the Size of a Swan’s Qiiill, and about two or three 
Inches in Length, fome petrified, others wholly 
pyritical, and are not uncommon. 
COCHLEA. 
Snail Shells, with a fnort as well as with a pro- 
duced Clavicle, fome with their Shells, others denu- 
dated, are generally of a fmall Size, and imprcg- 
nated by the Pyrites, and are uncommon. 
T R O C H I. 
^he ^opjhells, are of different Forms, fome flatter, 
others more elevated, of various Sizes, fome with 
Shells on, others denudated, mofl; are impregnate.! 
with Pyrites, and are common. 
CONCHA 
