2. 

 3. 

 4. 



1 70. — SlSTRUM. 



1. S. ringens, Desh. 



I 74. — COLUMBELLA. 



1. C. (Atilià) angusta, Desh, 



2. — biarata, Cossm. 

 1 "«>. — Buccinanops. 



1. B. [Bullia) patulum, Desh. 

 1 78. — Truncarià. 



1. T. truncata, Desh. 



2. — mirabilis, Desh. 



177. — PSEUDOLIVA. 



1. P. obtusa. Desh. 



2. — semicostata, Desh. 



3. — fissurât a, Desh. 



4. — prima, Defr. 



178. — Cominei.la. 

 1. C. déserta, Sol. 



— auversiensis, Desh. 



— Desori, Desh. 



— ovata, Desh. 



5. — acies, Watelet. 



6. — lata, Desh. 



7. — bicoronata, Mellev. 



179. — Tritonidea. 

 1. Tritonidea (s. s.) subandrei, d'Orb. 



— subambiprua, d'Orb. 



— decepta, Defr. 



— excisa, Lamk. 

 5. — axesta, Bayan. 

 6- — interstriata, Desh. 



7. — neglecta, Desh. 



8. — costellifera, Desh. 



9. — lata, Sow. 

 1". T. (EndojJachychilus) crassilabrum, 



Desh. 

 H- — semiplieata, Desh. 



12. — sulcata, Desh. 



13- — Rigaulti, Desh. 



14. T. [Cantharus) costulata, Lamk. 

 15- — polygona, Lamk. 



!''• — berellensis, de Laub. 



et Carez. 



2, 



3. 



4. 



