24 HELIX §. II. 



140. H. nepos Pfr. 



T. perforata, turbinato-depressa, tenuis , laevigata , niti- 

 dissima, pellucida, purpurascenti- fusca ; spira magis minusve 

 conoideo-elevata, vertice subtili, acutiusculo; sutura impressa; 

 anfr. 5 convexiusculi , sensim accrescentes , ultimus non descen- 

 dens, basi modice convexus; apertura subverticalis, late lunaris; 

 perist. simplex, rectum, margine columellari subverticali, cal- 

 loso, superne anguste reflexo. — Diam. raaj. 8, min. 7, alt. 

 5 mill. (Mus. Cuming.) 



Helix nepos Pfr. in Proc. Zool. Soc. 1855. p. 91. 

 Nanina nepos (Xesta) Pfr. Vers. p. 120. 



Habitat in insula Ceylon (-Thvvaites). 



Obs. Peraffinis videtur H. perfucatae , nec non utnbrinae. 



141. H. Quitensis Pfr. 



T. subobtecte perforata, conoidea, tenuis, laevigata, pel- 

 iucida, lutescenti-hyalina; spira conoidea, aculiuscula; sutura 

 profunda ; anfr. 5 convexi, lentc accrescentes, ultimus non 

 descendens, basi convexiuscukis; aperlura oijjiqua, lunaris; 

 perist. simplex, reclum, marginibus distantibus, columeliari 

 declivi, sursum subdilatato, perforationom fere claudente. — 

 Diam. maj. 7, min. 6^3, alt. 4 mill. (Mus. Cuniing.) 



Helix Quitensis Pfr. in Proc. Zool. Soc. 1854. p. 49. 



— — Reeve Conch. lc. n. 1340. t. 191. 



— — (Hyalina) Pfr. Vers. p. 123. 



llabitat in repubhca Quitensi. 



14'2. Anthoniana Ad. (Coll. 64. — Rv. n. 316. t. 63. 

 — Ch. ed. nov. III. p. 309. — Trochomorplia P(r. 

 Vers. p. 132.) Moii. III. p. 4 9. 



143. Portoricensis Pfr. [Ch. cd. nov. II. p. ^ee. 



t. 120. f. 7. 8. — Hygromia Pfr. Vers. p. 127. — 



Hygromia Portoricensis Ad. Gen. p. 215.) ... . - - - 49. 



144. turbiniformis Pfr. (Coli. 65. — Ch. ed. nov. II. 



p. 92. — Bv. n. 323. t. 64. — Hyalina Pfr. in 

 Mal. Bl. t854. p. 177. — Pfr. Vers. p. 123. — 

 Discus turbiniformis Ad. Gen. p. 117.) - - - 50. 



145. H. McNabiana Chitty. f 



« T. perforata, acute conica, subtransluccns, alba, epider- 

 mide pallide cornea obducta, striata; spira modice convexa; 

 sutura profunda; anfr. 5 convcxi, ultimus rolundatus; aper- 

 tura obliqua, lunato-rotundata ; perist. ab anfractu ultimo vix 



