HELIX §.17. 35 



211. Ibaensis Pfr. {Bv. n. 1398. t. -199. — Trocho- 



niorpha Pfr. Vers. p. 1.32.) Mon. F. p. 51. 



212. H. convcxiuscula Pfr. 



T. perforata, globoso-turbinata , tenuis, ruguloso-striala, 

 pellucida, pallide cornea; spira conica, apice obtusulo; anfr. 

 5^2 modice convexi, sensim accrescentes, ultimus non descen- 

 dens, peripheria obtuse carinatus, basi convexus; apertura ob- 

 liqua, rotundato-Iunaris, intus submargaritacea ; perist. simplex, 

 rectum, marginibus vix convergentibus, columcliari superno 

 brevissime reflexo. — Diam. maj. 12, min. lOVa, alt. Sy^ mill. 

 (Mus. Cuming.) 



Helix convexiuscula Pfr. in Proc. Zool. Soc. 18 55. p. 91. 

 Nanina convexiuscula (Rhyssota) Pfr. Vers. p. 121. 



Habitat in insula Ceylon (Thwaites). 



b s. Similis H. .vtbtecloe Pfr. 



213. Mauritiana Pfr. (Goli.90. — Proc. I852.p. t49. 



— Rv. n. 189. t. 42. — Cli. ed. nov. III. p. 4i1. — 



Erepta Pfr. Vers. p. 128.) Mon. III. p. 5G. 



214. Rawsonis Barcl. [Rv. n. 199. t. 43. — Ch. ed. 



nov. III. p. 412. — Erepta Pfr. Vors. p. 128.) . . - - - 5G. 



215. Folini Mor. {liv. n. 1405. t. 200. — Erepta Pfr: 



Vers. p. -128.) - - - 57. 



216. H. exscrta Pfr. 



T. vix perforata, conoideo-lenticularis, tenuis, oblique rugo- 

 sula, pallide cornea; spira conoidea, acutiuscula; anfr. 4^2 regu- 

 lariter accrescentes, superne tumiduli, ad suturam carina rotun- 

 data, exserta marginati, ultimus non descendens, basi con- 

 vexus; apertura obliqua, depresse angulato-Iunaris; perist. sini- 

 plex, rectum, marginibus remotis, columellari brevi, subver- 

 ticali. — Diam. maj. 6, min. 5, alt. 3 mill. (Mus. Cuming.) 



Helix exserta Pfr. in Proc. Zool. Soc. 1856. p. 32. 



Habitat in insulis Sandwich. (Newcomb.) 



217. Barclayi Bcns. {Rv. n. 1178. t. 174. — Trocho- 



morpha Pfr. Vers. p. 132.) Mon. III. p. 58. 



218. turbinclla Mor. f - - - 58. 



219. poecilosticta Pfr. (CoU. 91. — Rv. n. 815. t. 132. 



— Ch. ed. nov. III. p. 470. — Erepta Pfr. Vers. 

 p. 1-28. — H. poecilocostata Pfr. in Proc. Z. S. 

 1852. p. 59 err. typ. — Discits poecilostictus Ad. 



Gen. p. 117.) - - - 59. 



3* 



