78 HELIX §. 15. 



294. H. pellucida Gould. -^ 



T. fragilis, pellucida, pallide cornea, orbicularis, carinala, 

 vix perforata; spira depressa, sub lente striis subtilissimis de- 

 cussata; infra convexa, nitida; anfr. 6 subconvexi, externi 

 prope suturam excavati; apertura lunata; labrum angulatum. 

 — Lat. 17205 alt- V2 poH. (G.) 



Helix pellucida (Caiacolla) Gould in Proc. Bost Soc. L 1843. 



p. 157. 

 Habitat in Africa (Savage et Perkins). 



295. H. centralis (Nanina) Mousson. -f 



T. conico-orbiculata , perforata, carinata, supra plano-conica, 

 striis minutis, minutissime granulosis, cinnamomea, ad carinam 

 pallida, basi convexa, nitida, regione umbilicari obscure cinna- 

 momea; anfr. 6V2 superne plani, subtus convexi; apertura 

 oblique subtrapeziformis; perist. simplex, circum perforationem 

 inflexum. — Diam. maj. 22, min. 20, alt. 12 mill. Rat. anfr. 

 = 2:5. Rat. apert. = 9:11. (M.) 



Nanina centralis Mouss. jav. Moll. p. 17. t. 2. f. 1. 

 — (Hemiplecta) centralis Alhers Helic. p. 60. 

 Habitat in insula Java (Zollinger). 



296. induta Pfr Mon. I. p. 79. 



297. Novae Hiberniae Quoy. (Coll. 138. — Chemn. 



ed. nov. II. p. 124. — Nanina [Hemiplecta] 



novae hiberniae Alb. p. 60.) - - - 79. 



298. anceps Gould. (Coll. 139. — Gould in Proc. 



Bost. Soc. I. p. 139. — Reeve N. 155. t. 35. — 

 Chemn. ed. nov. II. p. 126. — Thea Alb. p. 118.) - - - 80. 

 Obs. Cl. Mason (Journ. As. Soc. XVII.) hanc cum H. serrula Bens. 

 identicam esse asserit. 



299. Indica Pfr Mon. I. p. 80. 



300. H. acuducta Benson. •{* 



T. perforata, tenuis, lenticularis, conica, acute carinata, 

 superne costulalo-striata, lineis impressis confertissime granu- 

 lat©-decussata, subtus laevigata, lineis impressis frequentibus 

 concentrice notata; spira vix elevata, apice obtusiusculo; anfr. 

 5 planulati, fere contabulati, ultimus subtus tumidus; carina 

 infra compressa; apertura angulato-lunaris, subsecuriformis; 

 perist. tenue, simplex, margine columellari superne brevissime 

 reflexo. — Diam. maj. 22, min. 19, alt. 11 mill. (B.) 



Helix acuducta Bens. m Ann. and Mag. 1850. Mart. p. 214. 

 Habitat in sylvis ad apicem montium Nilgherries Indiae meri- 

 dionalis (Jerdon). 



