12 



Upper California, 



Rio Janeiro, 



New York, 



Rhode Island, 



Rye, New York, 



Rhode Island, 



Mediterranean, 



Rhode Island, 



China, 



South America, 



England, 



River Ganges, 



Senegal, 



Senegal, 



Java, 



Mediterranean, 



Sumatra, 



Mediterranean, 



Upper California, 



Jour. Ac. N. S., 7, 6, pi. 18, f. 3. 



Chemn. 11, pi. 198, f. 1938. 



Conr. M. C., p. 22, pi. 4, f. 3. 



Enc. Meth., pi. 225, f. 1. 



W. Ind., pi. 3. f. 15. 



Jour. Ac. N. S., v. 2, p 316. 



Pennt. B. Z., v. 4, pi. 46, f. 25. 



Conr. M. C., pi. 4, f. 1, p. 19. 



Hanley Spec., p. 14. 



Enc. Meth., pi. 224, f. 1, a be. 



Mont. T. B., p. 51. 



(Culellus, Conrad.) 

 Solen Sancta; Marthae. 

 Solen Guineensis ? Chemn. 



is Solecurtus coarctatus, Gmel. 

 Solecurtus antiquatus, Lam. 

 Solecurtus ceutralis, Say. 



is Solecurtus bidens, Chemn. 

 Novaculina Gangetica, Bunson. 

 Solecurtus Caribous ? Lam. 

 La Tagal, Adans. 



Chemn. 11, pi. 198, f. 1937. 

 Adan's Sen., p. 225, pi. 19, f. 1 

 Deless., pi. 2, f. 4, a b. 

 De Blain., Mai., pi. 80, f. 1. 

 Guer. M. Z., 1839, pi. 2. 

 Enc. Meth., pi. 224, f. 3. 



Jour. Ac. N. S., 7, pi. 17, f. 10. Cultellus subteres, Conrad. 



Psammobia legumen, Turt. 

 is Solecurtus acutidens, Sowb. 



GENUS MACH^ERA. Gould. 



New York, 



Upper California, 



Oregon, 



Bks. Newfoundland, 



England, 



Bks. Newfoundland, 



California, 



England, 



England, 



France, 



Amboyna. 



Sumatra, 



Amer. Conch., pi. 18. 

 Jour. Ac. N. S., v. 7, p. 231. 

 W. Gen. C.,pl. 31, f. 3. 

 Zool. Beech., pi. 44, f. 2. 

 Mont. T. B., p. 49. 

 Gould's Rep., p. 33, f. 25, 26. 

 Jour. Ac. N. S., v. 7. 

 Pennt. B. Z., 4, pi. 46, f. 22. 

 Mont. Test. Brit., p. 49. 

 Wood's Ind., pi. 3, f. 7. 

 W. Gen. C., pi. 31, f. 1, 2. 

 Wood's Ind., pi. 3, f. 14. 



Solecurtus Nuttallii, Conrad. 

 Machaera nitida, Gould, 

 is Macbaera pellucida, Pennt. 

 is Machasra media, Gray, 

 is Machrera maxima, Wood. 

 Solen pygmsGus, Lam. 

 Solen minuta, Mont. 

 is Macheera pellucida, Pennt. 



GENUS p A N o P JE A . Menard. 



Mediterranean, 



W. Gen. C., pi. 25, f. 1. 

 Don. B. Shells, pi. 142. 



Mya glycimeris, Linn. 



is Panopaea Norvegica, Speng 



Bks. Newfoundland, Gould's Invert., f. 27. 



Caspian Sea, Eich. Faun., p. 225, pi. 39, f. 1. Adacna laeviuscula, Eich. 



Bks. Newfoundland, Forbes's B. M., p. 174, pi. 11. Panopasa arctica, Gould. 



