FAMILY 6. TURBINACEA. aye 
and rounded, with the margin continuous and somewhat reflected. The 
operculum is horny and spiral. 
Examples. 
Pl. CCXI. Fig. 1 and 6. 
Detpuinuta Tyria, Nobis, Proceedings Zool. Soc., 1842. 
Pl. CCXI. Fig. 2. 
De.putnuta noposa, Nobis, Proceedings Zool. Soc., 1842. 
Delphinus nodosus, Chemnitz, vol. v. p. 160. pl. 174. f. 1723 and 1724. 
Pl. CCXI. Fig. 3. 
DeLPHINULA Distorta, Lamarck, Anim. sans vert., vol. vi. part 2. p. 231. 
Delphinus ruber distortus, Chemnitz, Conch., vol. v. p. 161. pl. 175. 
f.. 1737 to 1739. 
Pl. CCXI. Fig. 4, and Pl. CCXII. Fig. 10. 
DELPHINULA MELANACANTHA, Nobis, Proceedings Zool. Soc., 1842. 
Delphinula laciniata, Sowerby, Genera of Shells, No. 39. 
Pi. CCXI. Fig. 5, and Pl. CCXIL. Fig. 7. 
De.pninuta LacinraTA, Lamarck, Anim. sans vert., vol. vi. part 2. 
p- 230. Encyclopédie Méthodique, pl. 451. f. ].a,6. Chemnitz, 
Conch., vol. v. pl. 175. f. 1733 to 1735. 
Turbo delphinus, Linneus. 
Pl. CCXIL. Fig. 8. 
Devpuinuta acuLeata, Nobis, Proceedings Zool. Soc., 1842. 
Pl. CCXIL. Fig. 9. 
Devpuinuta Formosa, Nobis, Proceedings Zool. Soc., 1842. 
Pl. CCXII. Fig. 11. 
Detpuinuta incisa, Nobis, Proceedings Zool. Soc., 1842. 
