194 HELICINA §. 10. 



78. H. retracta Poey. 



T. globoso-conica, tenuis, laevigata, pellucida, nitida, 

 carneo-rufa; spira conoidea, acutiuscula; sutura vix impressa, 

 pleruruque albo-marglnata ; aiifr. 5, superi convexiusculi, ulti- 

 mus magnus, rotundatus; columella callosa, verticaliter ab 

 anfr. penultimo descendens, desinens in denticulum, callum 

 retrorsura emittens suturatiorem , nitidum , circumscriptum ; 

 apertura vix obliqua, triangulari-semiovalis ; perist. simplex, 

 brevissime expansum , margine supero prope insertionem , ba- 

 sali juxta columellam sinuoso. — Operc. tenue, fusco-purpu- 

 reum. — Diam. maj. 10, min. 8, alt. 7 mill. (Coll. Nr. 70.) 

 Helicina retracta Poey Memor. I. p. 116. 120. t. 12. f. 22—26. 



— — Pfr. in Malak. Hl. I. 1854. p. 103. III. 18.56. p. 146. 



Habitat Cayajabos insulae Cubae (Don Nazareno de la Paz). 

 Obs. Affinis H. rotundae Orb., spira parvula facile distinguenda. 



* 



79. blllla Pfr. (Proc. 1852. p. 145. — Gray Phan. 



p. 264. — Ad. Gen. p. 302.) Mon. p. 364. 



80. peiluclda Sow. -^ (Gray Phan. p. 264. — Ad. 



Gen. p. 302.) - - 365. 



81. H* spliaeroldea Pfr. 



T. subglobosa, solidula, sub lente minutissime striata, pa- 

 rum nitens, pallide virenti-straminea; spira rotundata, sub- 

 acuminata; anfr. 41/2 convexiusculi , ultimus magnus, infra 

 medium obsoletissime angulatus ; columella albo-callosa, rece- 

 dens, basi indistincte dentata, callum emittens diffusum ; aper- 

 tura diagonalis, late semiovalis; perist. simplex, brevissime 

 expansum, margine basali cum columella angulum subacutum 

 formante. — Operc? — Diam. maj. 7, min. 6, alt. b^j^xmW. 

 (Mus. Cuming.) 



Helicina sphaeridea Pfr. in Proc. Zool. Soc. 1855. p. 102. 

 Ilabitat „Loyalty Island" Oceani Australici (Macgillivray). 



82. H. eoncluna Giindlach. 



T. conico-globosa , solidula, laevigata, albida vel pallide 

 rosea, saepe fasciis 1 — 2 rubris ornata ; spira convexo-conoidea, 

 apice flavo vel igneo mucronulata; anfr. 6^/2 planiusculi, ulti- 

 mus inflatus, antice bi'eviter deflexus et subconstrictus ; colu- 

 mella brevis, callum emittens latiusculum luteum vel auran- 

 tiacum , terminata in denticulum acutum ; apertura obliqua, 

 late semiovalis, intus nitide flava vel ignea; perist. brevissime 



