78 IIELIX §. 15. 



294. H. pcllucida Gould. ^ 



T. fragilis, pellucitla, [)allide cornea, orbicularis, carinala, 

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

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

 prope suturam excavali; apertura lunata; labrum anyulatuni. 

 — Lat. 17^0, alt. V2 polL (G.) 



Helix pellucida (Caracolla) Gould in Proc. Bost Sor. I. 184 3. 



p. 157. 



Habitat in Africa (Savage et Perkins). 



295. H. ccntralis (Namna) Mousson. •f 



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

 striis minutis, minutissime granulosis, cinnamomea, ad carinam 

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

 niomea; anfr. GY^ superne plani, subtus convexi; apertura 

 oblique subtra[)eziforiiiis; perist. simplex, circum perforationem 

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

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



Nanina centralis Mouss. jav. 3IoII. p. 17. t. 2. f. I. 

 — (Heniiplecla) centralis Albers Helic. p. fiO. 

 Habitat in insula Java (Zoilinger). 



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



297. Novac Hibcrniac Quoy. (Coll. 138. — Chemn. 



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



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



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



Bost. Soc. I. p. 139. — Reeve N. 135. t. 3.5. — 

 Chemn. ed. nov. II. p. 126. — Thea ^;&. p. H8.) _ _ - 80, 

 Obs. Cl. Mason (Journ. As. Soc. XVII.) hanc cnni H. serrnla Bens. 

 identicam esse asserit. 



299. Indica Pfr. Mon. I. p. so. 



300. H. acuducta Bcnson. •{• 



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

 superne costuiato-striata, lineis impressis confertissirae granii- 

 lato-decussata, subtus laevigata, lineis impressis frequentibus 

 concentrice nolata; spira vix elevata, apice oblusiusculo; anfr. 

 5 plaimlali, fere contabulati, ultinms 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. in Ann. and Mag. 1850. Mart. p. 214. 

 Habitat in sylvis ad apicem montium Nilgherries Indiae meri- 

 dionalis (.lerdon). 



