JIELICID.E. 205 



32. Cylindrella planospira, PfcifEcr. 



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



33. Cylindrella plicata, Pocy. 



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



34. Cylindrella poeyana, Orb. 



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



35. Cylindrella porrecta, Gund. 



(Type of Sub-Genus TracJieUa, Pfr.) 



3 Cuba ; ex c. Landaner. 



3(3. Cylindrella plumbea, Wright. 



6 Cuba ; ox c. Prof. VV. Ncwcomb. 



37. Cylindrella pruinosa, Morelet. 



4 Cuba; ox c. Prof. W. Neweonib. 



38. Cylindrella rugeli. Shut. 



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



• 39. Cylindrella sauvalleana, Gund. 



2 Cuba ; ox c. Landaner. 



40. Cylindrella seminuda, c. B. Adams. 



10 Jamaica; ex c. Pi-of. W. Newcomb and VV. A, Browu, Esq. 



41. Cylindrella scalarina, Shut. 



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



42. Cylindrella sowerbyana, Pfciffer. 



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



43. Cylindrella striatella, Wright. 



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



44. Cylindrella subula, Fcrussac. 



(Type of Sub- Genus Mijchosluma, Alb.) 

 1 Jamaica; ex c. W. A. Browu, Esq. 



