254 
APPENDIX. NO. I. 
Fig. 4 Cellepora echinata. 
5 escharoides ? 
6 Retepora disticha. 
7 — vibicata. 
8 Glauconome rhombifera. 
All Tertiary in Westphalia and England. 
RADI AT A. 
9 Scutella. 
10 Spatangus Hoffmanni — Goldfuss. 
Tertiary, in Westphalia. 
11 Echinus. 
CONCHIFERA BIVALVED SHELLS. 
Corbula gallica — Paris basin —Tertiary. 
Tellina? 
Corbis lamellosa — Tertiary — Paris. 
Lucina. 
Venus (Cytherea) laevigata — ibid. 
obliqua — ibid. 
Venus 
Cardium ? — fragments. 
12 Nucula — such is found in London clay. 
13 Pecten coarctatus ? — Placentia. 
varius ? — recent. 
14 species unknown. 
Two other Pectens also occur. 
Ostrea elongata — Deshayes. 
15 Terebratula. 
16 One cast, genus unknown, perhaps a Cardium. 
