444 STREPTAXIS 8. 3. 
36. Str. Burmanicus Blanford. 4 
«T. ovato-subglobosa, umbilicata, tenuis, cornea, albida, 
undique subtiliter et dense sinuato-costulata. Spira convexa, 
suturis vix impressis. Anfr. 6, ultimi 2 late excentrici, peri- 
pheria rotundati, penultimus ultimo latior, ultimus subtus pla- 
nulatus, cirea umbilicum angulato-compressus. Apertura obli- 
qua, irregulariter semiovalis, dente parietali lamellari unico 
intrante; peristoma album, tenue, undique expansum, superne 
profunde sinuatum, margine supero compressum et antrorsum 
curvatum, interdum «callo parvulo dentiformi interne munitum; 
margines subparalleli, distantes, callo tenui juncti. — Diam. 
maj. 10, min. 7, alt. 6 mill.» (Bl. angl.) 
Streptacis Burmanica W. T. Blanf. Contrib. to Ind. Malac. 
V. 1865. p. 47. 
Habitat Tougoop, Arakan. 
91. Str. Pfecifferi Zelebor. 
T. perforata, ovata, tenuiuscula, arcuato-costulata, albida; 
spira excentrica, convexo-conoidea, vertice subtili; sutura cana- 
liculata; anfr. 6 convexiuseuli, ultimus deorsum devians, antice 
medio obsolete angulatus, basi laevigatus; apertura obliqua, 
lunaris, lamella leviter intrante parietali juxta insertionem mar- 
ginis dextri coarctata; perist. breviter reflexum, margine dextro 
superne tenui, sinuato. — Diam. maj. 9, min. 67/4, alt. 5'/5 
mill. 
Streptacis Pfeifferi Zelebor mss. 
Habitat in insulis Nicobaricis. 
38. Str. Andamanicus Benson. 4| 
«Testa rimato-umbilicata, depresse ovato-oblonga, oblique 
areuatim costulato-striata; spira laterali, obtuse conoidea, sutura 
profunda; anfractibus 6, convexiusculis, prope suturam angu- 
latis, primis regularibus, antepenultimo gibbo, ad peripheriam 
non angulato, duobus ultimis lateraliter longe divergentibus, 
ultimo laevigato; apertura perobliqua, truncato-oblonga, lamella 
4 parietali intrante, peristomate tenui, acuto, expansiusculo, 
marginibus subparallelis, dextro antrorsum valde arcuato, sini- 
stro reflexiusculo, margine umbilicali compressiusculo. — Long. 
1, diam. 4! mill.» (B.) 
Sireptaais Andamanica Bens. in Ann. and Mag. n. h. 3d. ser. 
VI. (Sept. 1860.) p. 192. 
Habitat in insulis Andamanicis. 
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