HEUCINACEA, 323 



Family HELICINACEA, Ffeiffer. 



1. Gernis TROCHATELLA, Swains, (type T. ful- 

 chella, Gray). 



1. Trochatella politula, Poey. 



1 Cuba ; ex c Prof. W. Newcomb. 



2. Trochatella opima, Shut. 



1 Haiti; ex c. W. A. Brown, Esq. 



3. Trochatella elegantula, pfeLffer. 



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



4. Trochatella virginea, Lea. 



1 Haiti ; ex c. W. A. Brown, Esq. 



5. Trochatella pulchella, Gfray. 



12 Jamaica ; ex c. W. A. Brown, Esq., and E. L. Layard, Esq. 



6. Trochatella josephinse, 0. B. Ad. 



4 Jamaica; ex c. Prof. W. Newcomb. 



7. Trochatella sloanei, Orb. 



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



8. Trochatella tankervillii, Gray, 



6 Jamaica; ex c. W. A. Brown, Esq., Prof. W. Newcomb, and E. L. Lay- 

 ard, Esq. 



9. Trochatella regina, Mori. 



6 I. of Pines, Cuba; ex c. Prof. W. Newcomb, (5 and J), and 

 E. L, Layard, Esq. 



10. Trochatella constellata, Mori. 



2 I. of Pines, Cuba; ex o. Prof. W. Newcomb, &c. 



11. Trochatella suhunguiculata, Poey. 



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



Genus SCHASICHEILA, Shnt. (type S. alata, Mk.) . 



1. Schasicheila alata, Mk. 



2 Bahamas ; ex c, W. A. Brown, Esq, 



