190 
Ostrea Marshii, Sow. 
costata, Sow. 
gregarea, Sow. 
acuminata, Sow. 
n. sp. 
Several other species undeter- 
mined. 
Terebratula orbiculata, Roemer. 
PROCEEDINGS OF THE GEOLOGICAL SOCIETY. 
[Dec. 15, 
Terebratula perovalis, Sow. 
media, Sow. 
——. intermedia; Sow. 
ornithocephala, Sow. 
bullata, Sow. 
concinna, Sow. 
Crania, 0. sp. 
Mo.LuuvsCa. 
Patella rugosa, Sow. 
nana, Sow.; P. cingulata, 
Goldf. 
Aubentonensis, Archiac. 
tenuistriata, HK. Deslong- 
champs. 
3 n. sp. 
Metoptoma, n. sp. 
Rimula clathrata (Emarginula), 
Sow.; R. Goldfussii, Roemer. 
Emarginula scalaris, Sow. 
tricarinata, Sow. 
Fissurella, n. sp. 
Pileolus plicatus, Sow. 
levis, Sow. 
Nerita costata, Sow. 
Roemer. 
decussata (Natica), Goldf. 
— . sulcosa, Archiac. 
5 n. sp. 
Monodonta Lyellii, Archiac. 
levigata, Goldf., (Nerita) 
Sow. 
Nn. sp. 
Turbo clathratus, Roemer. 
obtusus, Sow. 
—— Meriani, Goldf. 
capitaneus, Goldf. 
muricatus, Sow. 
——- pyramidalis, Archiac. 
princeps, Roemer. 
on. sp. 
Bulinula oliveformis 
Dunker. 
n. sp. 
Rissoa acuta, Sow. 
duplicata, Sow. 
Phasianella Leymeriei, Archiac. 
—— 4n. sp. 
(Bulla), 
minuta, Sow.; N. pulla, 
Chemnitzia lineata (Melania), 
Sow. 
undulata (Melania), Des- 
long. 
—— 2n. sp. 
Natica Verneuili, Archiae. 
grandis, Goldf. 
—— Michelini, Archiac. 
adducta, Phill. 
— elegans, Sow. 
—— globosa, Roemer. 
7 Wise 
Trochus plicatus, Archiac. 
glaber, Dunker. 
obsoletus, Roemer. 
DD. sp. 
Pleurotomaria, 5 n. sp. 
Trochotoma affinis, Deslong. 
acuminata, Deslong. 
conuloides, Deslong. 
2 n. sp. 
Cirrus nodosus, Sow. 
n. sp. 
Solarium polygonum, Archiac. 
4 n. sp. 
Delphinula coronata (Euompha- 
lus), Sow. 
1. Sp. 
Bulla suprajurensis, Roemer. 
Hildesiensis, Roemer. 
Cylindrites acutus (Acteon?), 
Sow. 
cuspidatus (Acteon), Sow. 
bullata, Conus? minimus, 
Archiac. 
, 31. sp. 
Cerithium muricato -costatum, 
Goldf. re 
Dufrenoyi, Archiac. 
—— limeforme, Roemer. 
