330 
LOWER OOLITIC ROCKS OF ENGLAND: 
collected having been determined by Messrs. Sharman and 
Newton : 
Forest Marble 
3 ft. 6 in. 
(See also p. 375.) 
Great Oolite 
56 ft. 7 in. 
'27. Brown clay and de*bris of shelly 
oolitic limestone (Forest Marble) 
26. Yellowish-marly clays with hard 
marly lumps : Ostrea Sowerbyi, 
Gervillia (? remanie bed) - 
"25. Grey earthy marl and hard white 
marly limestone, oolitic in 
places ; with some Gasteropods, 
and Astarte, Gervillia Waltoni, 
Lucina, Modiola, Myacites, Ostrea, 
Unicardium varicosum, Serpula, 
Acrosalenia Wiltoni, &c. 
24. Greenish and bluish-black clay 
23. Creamy white and blue-hearted 
marly and shelly limestones, in- 
distinctly oolitic : with Gastero- 
pods, Astarte, Cardium siibtrigo- 
num, Cyprina, Necera ? Unicar- 
dium, and occasional Saurian 
Bones (seen in cutting west of 
Hook Norton tunnel) about 
22. Hard brown shelly oolitic limestone 
with spines of Echini 
21. Bubbly more or less oolitic marls 
and marly clays, in harder and 
softer bands , Ostrea 
20. Hard greenish and bluish-grey 
oolitic limestone : Ceromya, Ho- 
momya gibbosa 
19. Brown and greenish calcareous 
sand with lignite : Crocodilian 
tooth - - - 
18. Marl with Ostrea, Terebratula maseil- 
lata (crashed) 
17. Tough impure grey and blue- 
hearted oolitic limestone, marly 
and less oolitic at base : Lima 
cardiiformis, Pecten, T. maxil- 
lata, Rhynchonellaconcinna: (fos- 
sils more abundant in upper 
part) 
16. Greenish-grey marly clay - 
15. Hard grey marly bed full of 
bivalves , and with some Gastero- 
pods and Echini : Natica, Car- 
dium cognatum, C. subtrigonum, 
Cyprina, Ceromya concentrica, 
Homomya gibbosa , Isocardia, 
minima, Modiola imbricata, 
Lucina bellona, Ostrea acumi- 
nata, 0. Sowerbyi, Pecten vagans, 
Pholadomya Heraulti, Thracia 
curtansata ? Unicardium, Rhyn- 
chonella concinna, Acrosalenia, 
Echinobrissus and Holectypus 
(seen in second cutting east of 
Langton Bridge) - 
14. Hard oolitic limestone with many 
Gasteropods, Nerincea, &c. 
13. Grey marl fossiliferous in places - 
FT. IN. 
8 6 
10 
8 
