IIELIX §. 44. 207 



perisl. simplex, aculum, margine basali reflexiusculo. — Diam. 

 maj. 14, min. 12, alt. T/^ mill. (Spec. Mus. Britt.) 

 Helix sernda Benson m Journ. As. Soc. V. p. 3-32. 

 Habilat in Bengalia. 



Obs. Conf. H. Bensoni v. d. Busch. {Nr. 563.) 



541. H. tapcina Benson. 'f 



T. subconoidea, supra convexa, subtus tumida, epidermide 

 minutissime corrugata; peripheria angulata; perist. non conli- 

 nuum, subreflexum; umbiiicus mediocris, profundus, omnes an- 

 fractus exhibens. — Diam. 0,6 poll. (B.) 



Helix tapeina Bens. in Joum. As. Soc. V. p. 352. 

 — — Ann. and mag. nat. hist. IX. p. 486. 



riabitat in Bengalia, rara in insula Chusan Chinae. 



542. H. Dunniae Gray. 



T. umbilicata, depressa, fusca, carinata, irregulariter gra-- 

 nuiato-striata; spira parum elevata, obtusa; anfr. 4 planuiati, ul- 

 timus anlice paululum descendens, basi convexus, circa umbili- 

 cum mediocrem infundibuliformera compressus; apertura perobli- 

 qua, irregularis, transverse oblonga, latere efl"usa; perist. simplex, 

 margine supero depresso, antrorsum dilatato, columellari breviter 

 reflexo. — Diam. maj. 24, min. 20, alt. 11 mill. (Spec. Mus. Britt.) 

 Helix Dunniae Gray in Ann. and mag. nat. hist. VI. 1 8 4 1 . p. 3 1 7. *) 



Habitat in Nova Seelandia. 



543. U. GvuUovdVfi^. f^/./c}ktyy..Xsy'^. 



T. discoidea, carinata, acuta, umbilicata, depresso-convexa, 

 longitudinaliter tenue et oblique striata ; anfr. 5 planuli, lineis rufis 

 trifasciati , supremi unifasciati et convexiusculi ; infima facies uni- 

 fasciata, subconvexa, striolis sub lente tenue cancellata; apertura 

 ovata, anterius angulata, superne acuta, inferne reflexa; umbili- 

 cus latus, profundus. — Diam. 23, alt. 8 mill. (Guill.) 

 Helix Guilloui Pfr. Symb. II. p. 8 1 . 

 — Valenciennesii Le Guill. in Revue zool. 1842. p. 139. 



Nec Eyd. 



Habitat . . . ? 



*) «T. depressa, lala, umbilicata, fusca , anfractu ultimo subangulato, 

 jlabro.» (Gray 1. c.) — Eandem esse ipse affirmavit Cl. Gray. 



