119 HELIX 8. 20a. 
Helix schistostelis (Sophina) Bens. in Ann. and Mag. n. h. 3d. 
ser. III, (Jun. 1859.) p. 473. 
Sophina, schistostelis Bens. ibid. V. (Jan. 1860) p. 27. 
Nanina schistostelis (Sophina) .Alb. Helic. ed. Mart. p. 64.. 
Habitat prope Moulmein. 
439. H. Calias Benson. 
«Testa anguste umbilicata, orbiculato-depressa, solidius- 
cula, oblique striatula, polita, pallide cornea; spira planata, - 
apice saliente, obtuso, sutura marginata, canaliculata; anfrac- 
tibus 5 subconvexis, sensim accrescentibus, ultimo ad ambi- 
tum rotundato, subtus convexiusculo; apertura lunata, obliqua, 
peristomate recto, acuto, margine columellari oblique recurva- 
tim descendente, calloso, extus crenulato, cum basali angulum 
fere rectum, arcte rimatum, efformante, rima extremitatem ca- 
rinae umbilicalis, sensim spiraliter intrantis, incidente; umbi- 
lici perspectivi pariete intus horizontaliter confertim sulcato. — 
Diam. maj. 9, min. 7!, axis 4 mill.» (B. — Coll. Nr. 165. 
Spec. imperfectum.) 
Heli: Calias (Sophina) Bens. in Ann. and Mag. n. h. 3d. ser. 
III. p. 473. 
Sophina Calias Bens. ibid. V. p. 26. (Char. emend.) 
Nanina Calias (Sophina) Aib. Helic. ed. Marí. p. 64. 
Habitat prope Moulmein, ad cavernas «Farm Caves» dictas. 
440. H. forabilis Benson. 4 
«Testa Subanguste et profunde umbilicata, conoideo-semi- 
globosa, tenui, oblique striatula, spiraliter confertissime striata, 
cornea; spira depresso-conoidea, apice elevatiusculo, obtuso, 
sutura impressa; anfractibus 6 convexiusculis, ultimo non de- 
scendente, ad ambitum rotundato, circa umbilicum perspecti- 
vum intus spiraliter striatum carinato, carina spirali, intrante ; 
apertura obliqua, rotundato-lunata, peristomate recto, acuto, 
margine columellari oblique recurvatim descendente, crassius- 
culo, suberenulató, cum basali angulum fere rectum, arcte rima- 
tum, efformante, rima extremitatem carinae umbilicalis in- 
cidente. — Diam. maj 06—8, min. 5!5—7, axis 3—4 
mill.» (B.) 
Helia: forabilis Bens. in Ann. and Mag. n. h. 3d. ser. III. (May 
1859.) p. 389. 
Sophina, forabilis Bens. ibid. V. p. 27. (Char. emend.) 
Nanina, forabilis (Sophina) Alb. Helic. ed. Mari. p. 64. 
Habitat in valle Tenasserim, prope Moulmein. 
*. 
