— XI — 
Ocenebra transversalis M. de Serres. 
{[Murex.]) Plais. TA 
Ocenebrina transversalis M. de Serres. 
{Murex.| Plais. TA 
Ogygia Guettardi Brong. [Asaphus.]| 
Ordov. inf. 4 
Ogygia Desmaresti Brong. 4 
Oliva Branderi Sow. 43 
Oliva ventricosa Def. [Callianax.] Lulet. 43 
Oliva nivea Gmel. [Olivella.] 43 
Olivella nivea Gmel. [Oliva.] 45 
Olivella ventricosa Def. 43 
Opis cardissoides Lamk. [Trigonia.] 
Cénom. 24 
Omolaxis, vide : Homolaxis. 
Oppelia Villersensis d'Orb.[Ammonites.] 
Callov. 53 
orbicularis Denticulina) Desh.[Lucina.]| 
— Lucina lamellosa Det. 86 
ornatus (Dientomochilus) Desh. BI 
ornatus (Trochus). 90 
palmetta (Terebratula) Def. 14 
paradoxus (Entomolithus) Linné. I 
parisiensis (Ancistrocrania) Def. [Gra- 
nia.]| Sénon. 23 
parisiensis (Cranopsis) Def. 23 
parisiensis (Mitra) Desh. [Sfrigatella.] [Mi- 
treola.] 80 
SSP UCEe 
J: Buck. pro parte 
Low. Lias 78 
parva (Schlotheimia) = 
Ammonites lacunatus 
[Schlotheimia.]| 
Patella crepidula Lin. 83 
Patella Duclosii Desh. [Helcion.] 
Lutét. 45 
Patella unguiformis Lamk. 83 
Pecten Hœninghausi Def.| Æquipecten.] 
Olig. 50 
Pecten Besseri Andrejowski. 97 
Pecten gigas Schloth: 97 
Pecten ligerianus Dollf. et Dautz. 97 
Pecten maximus Lamk. 97 
Pecten solarium Lamk. Mioc. moy. 97 
pedemontana (Cyprina) Lamk. 69 
perampla (Crepidula) Sacco. 33 
pensilvanica (Venus) Lamk. 86 
Perisphinctes biplex Sow.[Ammonites.] 
Kimér. 51, 58 
Perisphinctes gracilis J. Buck. [Ammo- 
nites.] Bath. 38 
Perisphinctes Martelli Oppel. [Ammo- 
nites.] Oxf. 51 
O 
Ostrea eruca Def.|[Alectryonia.] Call. 73 
Ostrea amata d'Orb. 72 
Ostrea amor d’'Orb. TD NTS 
Ostrea rustica Def. [Alectryonia.] 
Call. T2, 73 
Ostrea colubrina Goldf. 72 
Ostrea Couloni Def, 10 
Ostrea crispa Brocc. 68 
Ostrea eruca Def. HOITA 
Ostrea sonora Def. — O. edulis L. var. 
sonora Def. Plioc. 98 
Ostrea subsinuata Leym. 10 
Ostrea ungulata Nyst. 98 
Oxynoticeras Ganiveti Coq. [Ammo- 
nites. | Turon. 66 
Oxynoticeras cultellus J. Buck. — Ox. 
oxynotus Quenst, [Ammonites.] Siné. 25 
Oxynotoceras oxynotus  Quenst. | Ammo- 
nites. ] 25 
oxynotus (Oxynotoceras)  Quenst. [Ammo- 
nites.] 25 
Perisphinctes plicatilis Sow. [Ammo- 
nites.] Coral. 51, 57 
Perisphinctes variocostatus Buckl./[Am- 
monites.] Coral. 51, 56 
Peruvianus (Productus) d'Orbignv. 
Carb. sup. 30 
Pictonia cymodoce d’Orb. /[Ammonites.] 
Kimér. 55 
pileus (Belemnites) Rasp. 15 
Phacoides Blainville. — [Lucina] auct. 49, 76 
Phacoides ambigua Def. non Denticu- 
lina. [Lucinoma.] Lutct. 33 
Phasianella tricostalis Desh. 87 
Philippii (Chama) Desh. 70 
placentina (Chama) Def. Plioc. 70 
Pleurotoma muricata M. de Serres. [Bathy- 
toma.] Plais. 62 
Pleurotoma bicatena Lamk. 44 
Pleurotoma curvicosta Lamk. 74 
Pleurotoma bicatena Lamk. [Eopleuro- 
toma.] Lutét. 74 
Pleurotoma curvicosta Lamk.[Eopleuro- 
toma.| Lutét. 44 
Pleurotoma [Eopleurotoma] multicostata Desh. 
44 
Pleurotoma Francisci de Raincourt. 74 
Pleurotoma multinodis de Boury. 74 
plicata (Gryphæa) Lamk. 9 
plicatilis (Perisphinctes) Sow.[Ammo- 
nites.] Coral.n5 1055, 01 
