HELICINA §.3. 219 



19. H. candida Pfr. 1289. 



T. turbinata, solida, sublaevigata (rarius striis spiralibus 

 nonnullis obsoletis signata), candida; spira conoidea, vertice 

 papillarij anfr. 5 convexiusculi, ultimus^ antice leviter descen- 

 dens et subconstrictus; apertura diagonalis, fere semicircularis, 

 intus ignea ; columella brevissima, aurantiaca, callum emittens 

 circumscriptum , albura, nitidum ; perist. simplex , rectum. — 

 Diam. maj. 5, min 41/3, alt. 32/3 mill. (Coll. Nr. 51.) 



Hclicina candida Pfr. in Malak. Bl. V. 1858. p. 145. t. 2. f 13—16. 



Habitat „Turk's Island" Indiae occidentalis (Hjalmarson). 



20. H llttoricola dindlacli. 1290. 



T. conico-subglobosa , solidula , spiraliter conferte et di- 

 stincte striata, albida vel pallide carnea ; spira convexo-conica, 

 acuminata; sutura impressa ; anfr. 5 vix convexiusculi, ultimus 

 spiram subae(iuans, basi vix convexus, peripheria rotundatus ; 

 apertura diagonaiis, subtriangulari-ovalis, intus lutea ; columella 

 simplex, callum crassum concolorem emittens; perist. rectum, 

 subduplicatum. — Operc. immersum, margaritaceum. — Diam. 

 maj. 43/4, min. 41/4, alt. 32/3 mill. (Coll. Nr. 52.) 

 Helicina littoricola Gundl. in litt. 



— — Pfr. in Malak. Bl. VII. 1860. p. 25. 



Habitat prope Baracoa insulae Cubae (Gundlach). 

 Obs. Species habitu praecedenti persimilis, sed striis spiralibus distinctis 

 et peristomate discrepans. 



21. H JHoltriana Pfr* 1291. 



T. conica, tenuis, sub lente obsoletissime striatula, dia- 

 phana , nitida , corneo-lutescens ; spira subregulariter conica, 

 vertice acutiusculo ; anfr. 51/.2, superi subplanulati^ ultimus spira 

 minor, convexior, basi planiusculus, juxta columellam brevem 

 excavatus, leviter callosus ; apertura vix obhqua , late semi- 

 ovalis ; perist. simplex, tenue, vix expansiusculum. — Diam. 

 maj. 5, min. 42/3, alt. 41/2 miH- (Coll. Mohr.) 

 Helicina Mohriana Pfr in Malak. Bl. VIII. 1861. p. 172. 

 Habitat Orizaba reipublicae mexicanae. 



22. laciniosa Migh. (Coil. 53. — Ins. Sandwich.) Pneum. II. p. 187. 1292. 



23. microdina Mor. } (Guatemala.) - - - 187. 1293. 



