Pentacrinus Desori, Th. 
= Nicoleti, Des. 
— oxyscalaris, Th. 
? scalaris, Roem. 
Pentastrea pulchella, Th. 
Perna astarlina, Et 
— plana, Th. 
var. major, Th. 
— rhombus, Et. 
- subplana, Et. 
— Thurmanni. Ctj. 
Pholadomya aculicosta, Sow. 
—_ Agassizi, Ct). - 
Aldouini, Buv. 
amygdalina, Th. 
-- angulosa, Ag. 
— Barrensis, Buv. 
Brongniarti, Pusch. 
canaliculata, Roem. 
_ complanata, Roem. 
— Conlejeani, Et. 
contraria, Ag. 
donacina, Desh. 
— Goldf. 
B> he Qu. 
elongata, 
- elongata, d’Orb. 
- glabriuscula, Th. 
- gracilis, d’Orb. 
— helvetica, Desh. 
hortulana, d’Orb. 
multicostata, Ag. 
Leym. 
Voltz 
Murchisoni, Sow. . 
— myacina, Ag. 
— neglecta, Th. 
orbiculata, Roem. 
paueicosta, Roem. 
— pectinata, Ag. 
- pinguiuscula, Th. . 
- Protei, Ag. 
_ pudica, Cij. 
Pholadomya recurva, Ag. 
- robusta, Desh. 
= rostralis, Ag. 
— rugosa, Pusch. 
= scalpellus, Th. 
—_ sculala, Ag. 
= sinuata, d’Orb. 
subrugosa, Et. 
= truncata, Ag. : 
_ vieinalis, Th. 
Pholas pseudochiton, Ctj. 
Pinna ampla, Goldf. 
-  ? Banneana, Ct. 
Banneana, Th. 
crassitesta, Th. 
—  fribosa, Mer. 
—  intermedia, Et. 
pinnigena, Labeche 
Saussurei, Desh. . 
? Saussurei, Leym. 
-  virgulina, Et. 
Pithonoton hypocrila, Et. 
Pleuromya Audouini, Br. 
_ donacina, Ag. 
Greslyi, Ag. 
tellina, Ag. 
= Voltzi, Ag. 
Pleurosmilia gracilis, Et. 
_ Marcoui, Et. . 
Pleurotomaria Antoniae, Et. 
— Banneiana, Th. 
Bourgueti, Th. 
Gartis-Udolfi, Th. 
Hesione, d’Orb. . 
Monasteriensis, Th. 
Philea, d’Orb. 
solodurina, Th. . 
Plicatula semiarmata, Et. . 
virgulina, Et. 
Placocoelia obscura, Et. , 
Polytrema capilliformis, d’Orb. . 
Prosopon jocosum, 'Th. 
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