HELIX §, 44. 
207 
perist. simplex, acutum, margine basali reflbadusculo. — Diam, 
maj. 14, min. 12, ait. 7/2 mill. (Spec. Mus. BrittJ 
Helix serrula Benson in Joiirn. As. Soc. V. p. 352. 
Habitat in Bengalia. 
Obs. Conf. II. Bensoni v. d. Busch. (Nr. S63.) 
541. H. tapeina Benson. -f 
T. subconoidea, supra convexa, subtus tumida, epidermide 
minutissime corrugata; peripheria angulata; perist. non conti- 
nuum, subrellexum; umbilicus mediocris, profundus, omnes an- 
fractus exhibens. — 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 Cray. 
T. umbilicata, depressa, fusca, carinata, irregulariter gra- 
nulato-striata; spira parum elevata, oblusa; anfr. 4 planulali, ul- 
timus antice paululum descendens, basi convexus, circa umbili- 
cum mediocrem iufundibuliformem compressus; apertura perobli- 
qua, irregularis, transverse oblonga, latere efTusa; perist. simplex, 
margine supero depresso, antrorsuin dilatato, columellari breviter 
reflexo. — Diam. maj. 24, min. 20, ait. 1 1 mill. (Spec. Mus. Britt.) 
Helix Dunniae Gray in Ann. and mag. nat. hist. VI. 1841. p. 317.*) 
— — P/r. Symb. IIJ. p. 70. 
Habitat in Nova Seelandia. 
543. H. GuUloui Pfr. f ' ^ 
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, ait. 8 mill. (Guill.) 
Helix GuUloui Pfr, Symb. II. p. 8 1 . 
“ — Valenciennesii Le Guill. in Revue zool. 1 842. p. 139. 
Nec Eyd. 
Habitat . . . ? 
*) «T. depressa, lala, umbilicata, fusca, anfractu ultimo subangulalo, 
glabro.» (Gray 1. c.) — Eandem esse ipse affirmavit Cl. Gray. 
