— 063 — 
5) Argile plastique. 
Area depressa Sow. — Woolwich. Peclunculusplumstediensis Sow.— 
Melanopsis fusiformis Sow. — Plumsted. 
Wooîwich. 
il. Formation secondaire. 
A . Système crétacé. 
4) Craie. 
Ammonites constrictus Sow. — 
Normandie. 
- Hippocastanum§ovt.~-l)OYi- 
lands. 
Lewesien sis Mant. — Lewes. 
- nuvicularis Mant. — Guild¬ 
ford. 
- peramptus Mant. — Lyme- 
Regis. 
- rusticus Sow. — Lyme- 
Regis. 
- undatus Sow. — Sussex. 
- Woolgari Mant. — Lewes. 
Baculites Faujasii Sow. — Nor- 
wieh. 
Belemnites (Belemnitella j granu- 
latus Sow. — Lewes. 
- (Belemnitella) mucronatus 
Schloth — passim. 
Cirrus (Pleurotomaria) depressus 
Mant. — Wiltshire. 
- (Pleurotomaria) perspectivus 
Mant. — Sussex. 
Crania Parisiensis Defr. — Nor¬ 
folk. 
Dolium nodosum Sow. — Sussex. 
Grypkœa qiobosa ( v esic u lar is ) So w. 
— Norwieh. 
Inoceramus Brongniarti Mant. — 
Lewes. 
- cordi/'ormis Sow.—Graves- 
en d. 
- Cuvieri Sow. — Lewes. 
- digitatus Sow. — Essex. 
- involutus Sow. — Norfolk. 
- latus Mant. — Norfolk. 
- mytiloides Mant. — Graves- 
end. 
- striatus Mant. — Heytes- 
bury. 
Lutraria ( Corimya ) carinifera 
Sow. — Dowlands. 
Magas pumilus Sow. — Nor- 
wich. 
Nautilus expansus Sow. — Ham- 
sey. 
Nucula ( Dacry oinya ) un dulataSow, 
— Folkslone. 
Ostrea canaliculataSow. — Lewes» 
- semiplana Sow. — Lewes. 
- nndulata Sow. — Farley» 
