HELIX §. 28. 67 



elevata, vertice subtili; sutura impressa, submarginata; anfr. 

 5^2 convexiusculi, ultimus latior, non descendens, supra cari- 

 nam subacutam excavatus, basi convexior, nitidus; apertura 

 subverticalis, angulato-lunaris; perist. simplex, rectum, mar- 

 ginc columellari superne brevissime reflexo, — Diam. maj. SOVa, 

 min. 18, alt. 10 mill. (Mus. Cuming.) 



Helix pellucida Gould, Pfr. Mon. III. p. 78. n. 294. 

 — — Reeve Conch. ic. n. 1401. t. 199. 



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



Habitat in Africa. 



Obs. Differre videtur ab H. troglodyte anfractu ulfinio latiore, acu- 

 tius carinato. Nonne istius forina incompleta? 



402. ccntralis Mouss. •{• (Jav. Moil. t. 2. f. -l. — 



Nanina ccntraUs Gray Cat. Pulni. p. 98. — Henii- 



plecta Pfr. Vers. p. 121.) Mon. III. p. 78. 



403. induta Pfr. [Bv. n. 1133. t. 168. — Rotula Pfr. 



Vers. p. 131. — Nanina induta Gray Cat. Pulm. 



p. 110.) - I. - 79. 



404. Indica Pfr. [Rv. n. 448. t. 83. t. 186. f. 1290. — 



Rotula Pfr. Vers. p. 131. — Nanina indica Gray 

 Cat. Pulm. p. 87. — Iberus Ind. [Tfaea] Ad. Gen. 

 p. 212.) ... - - - 80. 



405. H. acuducta Bcnson. 



T. perforata, sublenticularis, tenuis, superne subarcuatim 

 costulato-striata, minutissime granulato-asperata, parum nitens, 

 diaphana, pallide fulvida; .spira brevissime conica, apice ob- 

 tusula; sutura linearis; anfr. Sy^ planiusculi, sensim accre- 

 scentes, ultimus non descendens, acute carinatus, basi inflatus, 

 laevior, circa perforationem acicularem nitidus, albidus; aper- 

 tura parum obliqua, angulato-lunaiis; perist. simplex, rectum, 

 margine columellari subverticali, superne breviler fornicato- 

 reflexo. — Diam. maj. 22, min. lOy^, alt. 10 mill. (Mus. Bens.) 

 Helix acuducta Bens., Pfr. Mon. III. p. 78. n. 300. 



— — Reeiye Conch. ic. n. 739. t. 124. 



— — (Rotula) Pfr. Vers. p. 131. 

 Nanina acudiicta Gray Cat. Pulm. p. 87. 



Iberus acuductus (Thea) H. et A. Adams Gen. II. p. 212. 

 Habitat in montibus Nilgherries Indiae (Jerdon). 



40G. H. ccraria Bcnson. 



ftT. obtecte perforata, depressa, nitidula, cerea, radiatim 

 rugoso-striata, striis spiralibus remotiusculis decussata, luteo- 

 fulvida, versus apicem rubescente, spira convexiuscula, apice 

 obtusato; anfr. 4 superne planulatis, ultimo lato, carinato, 



5* 



