30 CONCHACEA. 
16. 
ais 
- partumeia, Say, Journ. A. N. S. Phil. v. 2. p. 380. 
. Pfeifferi, Ziegler, Porro. Malac. Com. p. 121. pl. 2. f. 13. 
Pisidium inflatum, Megerle. 
. pulchellum (Pisidium), Jenyns, Monog. p. 18. pl. 21. f. 1. 
Pera pulchella, Leach. 
. rivalis, Draparnaud, Hist. des Moll. pl. 10. f. 4 and 5. 
- rivicola, Lamarck, Turton, Brit. Biv. pl. 11. f.13. 
Tellina cornea, Dillwyn. 
C 
C 
18. C 
C 
C 
21. C. rhomboidea, Say, Journ. A. N.S. Phil. v. 2. p. 380. 
C 
C 
C 
C 
C 
19. 
20. 
22. C. Sarratoga, Lamarck, Anim. sans vert. v.6.p.271. 
23. C. semen (Pistdium), Menke, Moll. Nove Hollandiz, p. 40. 
24. C. similis, Say, Journ. A. N.S. Phil. v. 2. p. 380. 
25. C. striatina, Lamarck, Delessert, Recueil, pl. 7. f. 4. 
26. C. suleata, Lamarck, Anim. sans vert. v. 6. p. 271. 
Genus I]. CYRENA, Lamarck. 
1. C. australis, Deshayes, Ene. méth. v. 2. p. 50. no. 12. 
2. C. Bengalensis, Lamarck, Delessert, Recueil, pl. 7. f.6. 
3. C. Carolinensis, Lamarck, An. s. v. (Deshayes’ edit.) v. 6. p. 276. 
Cyclas Carolinensis, Bosc. 
4. C. cor, Lamarck, Enc. méth. v. 2. pl. 301 and 302. f. 2. 
Tellina fluminalis, Miller ; Venus fluminalis, Wood. 
5. C. Cyprinoides, Quoy, Voy. de I’ Astr. pl. 82. f. 1-3. 
6. C. depressa, Lamarck, Enc. méth. pl. 302. f. 3. 
7. C. fluminea, Lamarck, Anim. sans vert. v. 6. p.274. 
Tellina fluminea, Gmelin. 
8. C. fuscata, Lamarck, Anim. sans vert. v. 6. p. 274. 
Tellina fluviatilis, Dillwyn; Venus fluviatilis, Wood. 
9. C. Jayensis, Lea, Trans. Amer. Phil. Soe. v. 5. pl. 17. f. 52. 
10. C. limosa, Gray, Ann. Phil. p. 25. 
Tellina limosa, Maton. 
11. C. Mexicana, Broderip and Sowerby, Zool. Journ. v. 4. p. 364. 
12. C. oblonga, Quoy, Voy. de l’Astr. pl. 82. f. 6-8. 
13. C. papua, Lesson, Guérin’s Mag. Zool. pl. 11. 
14. C. Sumatrensis, Sowerby, Genera, no. 5. 
Cyclas Sumatrensis, Blainville. 
15. C. trigonella, Lamarck, Anim. sans vert. v. 6. p. 273. 
16. C. Vanikorensis, Quoy, Voy. del’Astr. pl. 82. f. 4 and 5. 
17. C. violacea, Lamarck, Enc. méth. v. 2. pl. 301. f. 1. 
