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assimilis, 
aurifluus, 
auritus, 
cor, 
glycimeris, 
ce var., 
inzequalis, 
inflata, 
intermedius, 
laticostatus, 
lineatus, 
lividus, 
so) var; 
marmoratus, 
multicostatus, 
ovatus, 
parcipictus, 
pectinatus, 
Pectiniformis, 
sf var., 
Fe ‘ 
Pectinoides, 
pennaceus, 
< var., 
“ “ 
pilosus, 
scriptus, 
Siculus, 
var., 
stellatus, 
violascens, 
“ 
var., 
zonalis, 
antiqua, 
buccata, 
Sowb., 
Reeve, 
Brocchi, 
Lam., 2 
akunts 
Sowb., 
Brod., 
Quoy, 
Reeve, 
Reeve, 
Chemn., 4 
Sowb., 
Brod., 
Reeve, 
Lam., 
Lam., 
17 
16 
Desh., 
Lam., 6 
Lam., 2 
Lam., 7 
Lam., 5 
Reeve, 
Lam., 9 
Lam., 
Lam., 12 
Mighels, 
Stp., 
52 
Guayaquil, 
Isle of Capul, 
Bordeaux, 
British Channel, 
Panama, 
Tquiqui, 
N. Holland, 
West Indies, 
Red Sea, 
Mediterranean, 
Isle of Muerte, 
Isle of Lobos, 
9 
isle of La Plata, 
Philippines, 
Isle of Ticao, 
Isle of Masbate, 
Panama, 
West Indies, 
St. Thomas, 
Mediterranean, 
Atlantic Ocean, 
Mediterranean, 
St. Domingo, 
Mediterranean, 
Sicily, 
Portugal, 
Mediterranean, 
Atlantic Ocean, 
GENUS NUCULA. 
Maine, 
Greenland, 
Conch. leon., pl. 4, f. 15. 
Conch. Icon., pl. 4, f. 17. 
Desh. Tr. EL, pl. 34, f. 19, 20. 
Brocchi Test., 2, pl. 11, f. 10. 
Turt. B. Biv., pl. 12, f. 1. 
Conch. Icon., pl. 3, f. 12. 
Conch. Icon., pl. 4, f. 16. 
Conch. Icon., pl. 1, f. 1. 
Voy. de l’Astrol., pl. 77, f. 1-8. 
Conch. Icon., pl. 5, f. 25. 
Conch. Icon., pl. 9, f. 51. 
Zool. Proc., 1848, p. 190. 
Conch. Icon., pl. 7, f. 48. 
Conch. Icon., pl. 5, f. 26. 
Conch. Icon., pl. 1, f. 2. 
Conch. Icon., pl. 4, f. 14. 
Conch. Icon., pl. 6, f. 28. 
Chemn. 7, pl. 58, f. 568, 569. 
Brook’s Intr., pl. 3, f. 37. 
Conch. Icon., pl. 3, f. 11. 
Cuv. Regn. An., pl. 87, f. 8. 
Knorr. Verg., 5, pl. 30, f. 3. 
Enc. Meth., pl. 310, f.5? 
Conch. Icon., pl. 5, f. 24. 
Poli, v. 2, pl. 26, f. 77. 
Sowb. Gen., f. 1. 
Conch. Icon., pl. 3, f. 13. 
Enc. Meth., pl. 310, f. 3 ? 
Conch. Icon., pl. 5, f. 28. 
Conch. Icon., pl. 2, f. 6. 
Zool. Proc., 1843, p. 189. 
Conch. Icon., pl. 7, f. 41. 
Conch. Icon., pl. 2, f. 5. 
Payr. Cat., pl. 2, f. 1. 
Conch. Icon., pl. 2, f. 9. 
Bonan. Reecr., 2, f. 63. 
Lamarck. 
Bost. Jour., 4, pl. 4, f. 4. 
Index Moll., p. 17 (Leda). 
fossil. 
fossil, Arca insubrica, Broech. 
fossil. 
Area marmorata, Chemn. 
Arca pectunculus, Chemn. 
Arca pectunculus, Linn. 
Area pilosa, Linn. 
Arca undata, Linn. 
Pectunculus glycimeris, var. 
Area bimaculata, Poli. 
Pectunculus glycimeris, Phil. 
Pectunculus zonalis, Lam. 
is Pectunculus violascens, Lam. 
fossil. 
Nucula rostrata ? Lam. 
