Division DIACHIA. 



Fig. 



20. TiiisPiNOSA, sp. 16, Orb. Voy. Amer. Mer.— Atlantic. 



21, 22. See Cleddora, below. 



23, 24. LABIATA, sp. 15, Orb. Voy. Amer. Mer. — Atlantic. 



25, 26. See Cleodora, below. 



27, 28. mucronata, sp. 17, Leaueur, Orb, Voy. Amer. Mer.— 

 Atlantic. 



Genus Cleodoka. 



21, 22. inflexa, sp, 22, Lesueur, Orb. Voy. Amer. Mer. — 

 Atlantic. 



25, 26. DEPRESSA, sp. 23, Orb. Voy. Amer. Mer. pi. 7, f. 

 1-5.— Hab. — ? 



29. ADSTRALis, sp. 21, Orb. Voy. Amer. Mer.pl. 6. — Hab. — ? 



30. cuspiDATA, sp. 18, Quoy, Voy. Astr. pi. 17, f. 1-5. — 



Atlantic. 



3 1 . LOBATA, sp. 20, Sowerby — Atlantic. 



32. PYRAMiDATA, sp. 19, Quoy, Voy. Astr. pi. 27, f. 1-5.— 



Atlantic. 



