HELIX §. 44. 207 



perist. simplex, aculum, margino basali rcflexiusculo. — Diam. 

 maj. 14, min. 12, alt. 7/2 mill. (Spec. Mus. Britt.) 

 IleHx serruh Benson in Journ. As. Soc. V. p. 352. 

 Habitat in Bengalia. 



Ob.s. Conf. H. Bonsoni v. d. Busch. (Nr. 563.) 



541. H. tapcina Benson. ■f- 



T. subconoidea, siipra convexa, subtus tumicla, epidermide 

 minulissime corrugata; peripheria angulata; perist. non conti- 

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

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



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

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



Habitat in Bengalia, rara in insula Chusan Chinae. 



542. H. Dunniae Gray. 



T. umbilicata, depressa, fusca, carinata, irrcgulariter gra~ 

 nulato-striata; spira parum elevata, obtusa; anfr. 4 planulati, ul- 

 timus antice paululum descendens, basi convexus, circa umbiii- 

 cum mediocrem infundibuhformem compressus; apertura perobli- 

 qua, irregularis, transverse oblonga, hitere effusa; perist. simplex, 

 margine supero depresso, antrorsum dilatato, columellari breviter 

 reflexo. — Diam. maj. 24, min. 20, alt. 1 1 mill. (Spec. Mus. Britt.) 

 Helix Dunniae Gray in Ann. andmag. nat. hist. VI. 1841. p. 317.*) 



— — P[r. Symb. m. p. 70. 

 Habitat in Nova Seelandia. 



543. H. Guilloui Pfr. f 



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

 longitudinaliter tenue et oblique striata ; anfr. 3 planuli, lineis rufis 

 trifasciati, supremi unifasciati et convexiusculi; infima facies uni- 

 fasciata, sul^convexa, striolis sub lente tenue cancellata; apertura 

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

 cus latus, profundus. — Diam. 23, alt. 8 miil. (Guiil.) 

 Helix Guilloui Pfr. Symb. II. p. 81. 



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



Nec Eyd. 

 Habitat . . . ? 



*) «T. depressa, lata, umbilicata, fusca , anfraclu ulumo subangulalo, 

 glabro.» (Gray 1. c.) — Eandem esse ipse affirmavit CI. Gray. 



