SPEETON CLAY. 
95 
Ammonites. — 6. marginatus ... PI. II. fig. 41. 
young of ditto ? ... fig- 43. 
7- resembling a. parvus (Min. Conch.) fig- 46. 
8. hystrix ... ... fig- 44. 
9. fissicostatus ... fig- 49. 
10. curvinodus ... fig- 50. 
11. planus ? (Mantell) ... fig- 42. 
Indeterminate fragments, which probably | 
belong to other species, occur at j 
N autilus, a fragment 
Belemnites. — 1. minimus (Min. Conch, t. dlxxxix.) 
2. lateralis, a very large species 
3. jaculum ... ... PI. III. fig. 1. 
Hamites. — 1. maximus (Min. Conch.) PI. I. fig- 20, 21. 
2. intermedius ? (Min. Conch.) fig- 22. 
3. raricostatus ... ... fig- 23. 
4. rotundus (Min. Conch.) fig- 24. 
5. attenuatus (Mantell) ... fig- 25. 
6. alternatus (Mantell) .. fig- 26, 27 . 
7. Beanii (Young and Bird) fig. 28. 
8. plicatilis ? (Mantell) ... fig. 29- 
9. Phillipsii (Bean MS.) ... fig. 30. 
Allied to A. Mantelli, of 
which it may prove to be 
one of the many varieties. 
Knapton. 
Speeton. 
Ditto. 
Ditto. 
Speeton, also in Kimmeridge 
clay at Brantingham. 
Speeton. 
Speeton, Knapton, 
Speeton, 
Ditto. 
Ditto. 
Ditto. 
Ditto. 
Ditto. 
Ditto. It grows to a large 
size. 
Speeton. 
Serpula 
Vermicularia Sowerbii (Mantell) 
ANNULOSA. 
PI. II. fig. 30. Speeton. 
. fig. 29. Ditto. Its whorls are either 
dextral or sinistral. 
CRUSTACEA. 
Astacus. — 1. ornatus ... ... PI. III. fig. 2. Speeton. Each individual 
lies in an oval nodule. 
The legs appear to have 
been very slender, but are 
not well understood, 
fig. 3. Speeton. 
2. claw of a large species.. 
