24 IJELIX §. 11. 



140. H. ncpos Pfr. 



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

 dissima, peilucida, purpurasceuti-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; 

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

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

 5 mill. (Mus. Cuming.) 



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

 Nanina nepos (Xesta) Pfr. Vers. p. 12 0. 



llabitat in insula Ceylon (Thwaites). 



Obs. Peraffinis videtur H. pcrfucatae , nec non umbrinae. 



141. H. Quitcnsis Pfr. 



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

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

 profunda; anfr. 5 convexi, lente accresccntes, ultimus non 

 descendens, basi convexiusculus; apertura obliqua, lunaris; 

 perist. simplex, rectum, marginibus distantibus, columellari 

 declivi, sursum subdilatato, perforationem fere claudente. — 

 Diam. niaj. 7, min. 6^3, alt. 4 mill. (Mus. Cuming.) 



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

 — — Reeve Conch. ic. n. 1340. l. 191. 



_ _ (Hyalina) Pfr. Vers. p. 123. 



Ilabitat in republica Quitensi. 



142. Anthoniana Ad. (Coll. 64. — Rv. n. SiG. t. 63. 



— Ch. ed. nov. III. p. 309. — Trochomorpha Pfr. 



Vors. p. 132.) Mon. III. p. 4 9. 



143. Portoricensis Pfr. [Ch. ed. nov. II. p. 266. 



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



Hygromia Portnricensis Ad. Gen. p. 21S.) . . . . - - - 49. 



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



p. 92. — P,v. n. 323. t. 64. — Hyalina Pfr. in 

 Mal. Bl. 1854. p. 177. — Pfr. Vers. p. 123. — 

 Di.scu.s iurbinifnrmis Ad. Gen. p. 117.) - - - 50. 



145 H. McNabiana Chitty. •{■ 



'( T. peiforata, acute conica, subtransluccns, alba, cpider- 

 mide pallide cornea obducta, striata; spira modice convexa; 

 sutura profunda; anfr. 5 convexi, ultimus rotundatus; aper- 

 tura -oblivqua , lunato-rotundala ; perist. ab anfractu ultimo vix 



