200 HELICID^l. 



Sub-Genus CORONA, Alb. (type C. regina, For.) 



5- Orthalicus (Corona) regina, Ferussac. 



1 South America; ex c. G. Nevill, Esq. 



Sub-Genus LIGNUS, Mtf. (type L. virgineus, Mull.) 



6. Orthalicus (Lignus) virgineus, Miiii. 



4 S. Domingo ; ex c. W. A. Brown, Esq., and Prof. W. Newcomb. 



2 Cuba; ex c. Landaner. 



7. Orthalicus (Lignus) fasciatus, Mull. 



7 Cuba ; ex c. As. Soc., Bengal, and Prof. W. Newcomb, &c. 

 1 Florida ; coll. Prof. E. C. Stearns. 



8. Ortljalicus (Lignus) blainianus, Poey. 



1 Cuba ; ex c. Prof. W. Newcomb. 



Genus MACROCERAMUS, Guild, (type M. signatus, 

 Guild.) 



1. Macroceramus signatus, Guild. 



[= & guildingi, Petit.] 



8. S. Domingo ; ex c. W. A. Brown, Esq. 



4 Tortota and S. John's; ex c. Prof. W. Newcomb. 



1 Cuba ; ex c. Dr. F. Stoliczka. 



2. Macroceramus claudeus, Gund. 



5 Cuba ; ex c. Prof. W. Newcomb. 



3. Macroceramus turricula, Pfeiffer. 



3 Cuba ; ex c. Prof. W. Newcomb. 



4. Macroceramus elegans, Gund. 



4 Cuba; ex c. Landaner. 



5. Macroceramus nigropictus, Gund, 



2 Cuba; ex c. Prof. W. Newcomb. 



6. Macroceramus festus, Gund. 



5 Cuba ; ex c, Landaner. 



