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2555 
2556 
2557 
2558 
2559 
2560 
2561 
2562 
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Megodon, 
orbicularis, 
orientalis, 
ovalis, 
parasitica, 
plicata, 
plicatula, 
radiata, 
rhizophore, 
rubella, 
Senegalensis, 
Sinensis, 
spathulata, 
stellata, 
stentina, 
Virginica, 
- var., 
angulata, 
arcuata, 
columba, 
convexa, 
cymbium, 
incurva, 
papyracea, 
placenta, 
sella, 
Smovare, 
“ce “ 
Cumingii, 
rudis, 
Hanl., Peru, 
Gmel., Africa, 
Chemn., Philippines, 
Gmel., Cape of G. Hope, 
Gmel., 224 Indian Ocean, 
Chemn., 232 China, 
Gmel., 232 Philippines, 
Val., East Indies, 
Guild., Caribbean Isles, 
Lam., 231 West Indies, 
Gmel., 237 Senegal, 
Gmel., 234 Philippines, 
Lam., 225 Africa, 
Gmel., Guinea, 
Payr., 286 Toulon, 
Gmel., 225 Maryland, 
Virginia, 
GENUS GRYPHEA. 
Lam., 203 Lisbon, 
Lam., 204 Rochelle, Fr., 
Lam., 204 Poulteray, 
Say, New Jersey, 
Lam., 204 
Sowb., 
GENUS PLACUNA. 
Lam., 270 Philippines, 
Linn., 270 Philippines, 
Gmel., 270 Philippines, 
Brod., 
Brod., 
91 
Philippines, 
GENUS PLACUNANOMIA. 
Isle of Plata, 
New Zealand, 
Zool. Proc., 1845, p. 106. 
Chemn. 8, pl. 74, f. 680. 
Chemn. 8, pl. 71, f. 660. 
Schroet. Einl., 8, pl. 9, f. 8. 
Chemn. 8, pl. 74, f. 681. 
Chem. 8, pl. 73, f. 674, 675. 
Enc. Meth., pl. 184, f. 9. 
Enc. Meth., pl. 184, f. 4. 
Zool. Jour., v. 3, p. 542. 
Born, p. 121, Vign., f. B. 
Adans. Sen., pl. 14, f. 5. 
Enc. Meth., pl. 184, f. 1. 
Delessert, pl. 17, f. 1. 
is Ostrea gallus, Valence. 
Ostrea radiata, Valence. 
Ostrea arborea, Dillw. 
Ostrea plicatula, Gmel. 
is Ostrea plicata, Chemn. 
is Ostrea orientalis, Chemn. 
is Ostrea frons, Linn. 
is Ostrea fusea, Lam. 
Schroet. Einl., 3, pl. 9, f. 7. 
Cat. de Corse, p. 81, pl. 3, f. 
List. C., pl. 200, f. 34. 
Petiv. Gazoph., pl. 105, f. 3. 
Ostrea Virginiana, List. 
Lamarck. 
Sowb. Gen., f. 1. 
fossil. 
fossil. 
fossil. 
fossil. 
fossil. 
Blain. Mal., pl. 59, f. 4. 
Bruguieére. 
Chemn. 8, pl. 79, f. 715. 
Knorr. Verg., 2, pl. 24, f. 1. 
Knorr. Verg., 4, pl. 18, f. 1, 2. 
Chemn. 8, pl. 79, f. 714. 
Enc. Meth., pl. 174, f. 1. 
Broderip. 
Reeve C. Syst., pl. 123. 
Zool. Proc., 1834, p. 2. 
