HELICID^. 63 



Sub-Genus GASTRODONTA, Albers, (type H. interna). 



21. Hyalina (Gastrodonta.) multidentata, Binn. 



11 New York ; coll. Prof. W. Newcomb. 



22. Hyalina (G-astrodonta) interna, Say. 



11 Ohio, ; ex. c. Prof. W. Newcomb. 



23. Hyalina (Gastrodonta) lineata, Say. 



11 New York ; ex c. Prof. W. Newcomb. 



Sub-Genus MICROPHYSA, Albers, (type H. boothiana). 



24. Hyalina (Microphysa) brevior, c. B. Adams. 



6 Jamaica ; ex c. Prof. W. Newcorab. 



25. Hyalina (Microphysa) diminuta, c. B. Adams. 



3 Jamaica; ex c. W. A. Brown, Esq. and Prof. W. Newcomb. 



26. Hyalina (Microphysa) iinmunda, c. B. Adams. 



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



27. Hyalina (Microphysa) turbiniformis, Pfeiffer. 



3 Jamaica ; ex c. W. A. Brown, Esq. 



28. Hyalina (Microphysa) vortex, Pfeiffer. 



15 S. Domingo ; ex c. W. A. Brown, Esq. and E. L. Layard, Esq. 



29. Hyalina (Microphysa) incrustata, Poey. 



3 Cuba; ex. c. W. A. Brown, Esq. 



30. Hyalina (Microphysa) trochilioneides, Orb. 



6 Lima ; ex c. A. Morelet, Esq. 



31. Hyalina (Microphysa) circumfirmata, Redf. 



( = Hyalosagda, sp. Pae"tel.) 

 10 Bermuda ; ex c. E. L. Layard, Esq. 



32. Hyalina (Microphysa) panamensis, Perez. 



(Fide Morelet.) 



(This species is not in Pfeiffer). 



7 Panama ; ex c. A. Morelet, Esq. 



