57 



2. N. casta, Hinds, Zool. Proc. 77, 1843. New Guinea. 



3. N. concinna, Hinds, Zool. Proc. 77, 1843. 



4. N. COStata, (Anatina), Sowb., Zool. Proc. 87, 1843. 



;S'^. Elena and Veragua. 



5. N. COSteUata, (Corbula) Deshayes, Geol de la Gr^ce, Moll. 



t. 7, f. 1, 2, 3. 

 Corhula rostrato-costata, Martens, Malak. Blatt iii, 196, t. 



3, f. 4, 5. 

 N. sulcata, Loven. Norway, Adriatic. 



6. N. CUSpidata, (Tellina), Olivi, Zool. Adriat. 101, t. 4, f. x, 



3, 1792. 

 Thracia brevirostris, Brown, 111. Conch. 110, t. 44, f. 1 — 4, 

 1844. Norway, Adriatic. 



7. N. didyma, Hinds, Zool. Proc. 78, 1843. Veragua. 



8. N. elegans, Hinds, Zool. Proc. 76, 1843. 



N. Moluccana, Ad. and Reeve, Voy. Samarang, t. 23, f. 4. 

 1850. Netv Guinea, Singapore. 



9. N. hyalina, Hinds, Zool. Proc. 76, 1843. China. 



10. N. Hindsiaua, A. Adams, Ann. and Mag. Nat. Hist. 207, 

 1864. Japan. 



11. N. nasuta, A. Adams, Ann. and Mag. Nat. Hist. 207, 



1864. Japan. 



12. N. UObUis, A. Adams, Ann. and Mag. Nat. Hist. 207, 



1864. Japan. 



13. N. pectinata, Carpenter, Proc. Philadelphia Acad. 54, 



1865. California. 



14. N. pellucida, Stimpson, Invert. Grand Manan. 21, f. 13, 



1854. New Brunswick. 



15. N. rosea, Hinds, Zool. Proc. 78, 1843. 



Netv Guinea and Philippines. 



16. N. rostrata, (Mya), Spengler, Skrivt Nat. iii, 42, t. 2, f. 

 16, 1793. 



N attenuata, Forbes, Aegean Inv. 143, 1846. 



Norway, Mediterranean. 



17. N. Singaporensis, Hinds, Zool. Proc. 77, 1843. 



Singapore. 



18. N. trigona, Hinds, Zool. Proc. 78, 1843. Hah.— ? 



