94 HELIX &. 49. 
Helio Aulopsis Bens. in Ann. and Mag. n. h. (May 1863.) 3d. 
ser. Xl. p. 348. 
Habitat ad portum Blair insularum Andamanicarum. 
* 
331. (240) verrucula Pfr. — Ceylon. (IV. 40.) 
392. H. microconus Mlousson. | 
«T. minuta, arcte perforata, conica, oblique striata, spira- 
liter perminutissime lineata, sine nitore, corneo-grisea. Spira 
exserto-conica, regularis; summo acutiusculo, parvo; sutura 
simplici, paulo impressa. Anfr. 5!/ convexiusculi, lente accres- 
centes, ultimus non descendens, acute carinatus, carina non 
compressa, subtus conico-planus, in perforationem subito im- 
mersus. Apertura obliqua, lunato-rectangularis. Perist. rectum, 
acutum?, marginibus ad carinam et ad columellam angulatis; 
columellari subverticali, vix reflexiusculo. — Diam. maj. 2, min. 
12/5, alt. 2 mill.» (M.) 
Nanina microconus Mouss. in Journ. Conch. XIII. 1865. p. 192. 
Habitat Lomma-Lomma ins. Viti (Gráffe). 
333. H. culmen W. Blanford. T 
« Testa perminute perforata, trochiformis, tenuissima, cor- 
nea, translucens. Spira conica, apice obtuso, sutura impressa. 
Anfr. 6, superne convexi, oblique striati et lineis subtilibus 
elevatis spiralibus sculpti, ultimus peripheria acute carinatus, 
non descendens, subtus tumidus et minute decussatim striatus. 
Apertura parum obliqua, subquadrato-lunata, latior quam alta; 
perist. simplex, tenue, marginibus distantibus, columellari ver- 
ticali, superne leviter reflexo. — Diam. maj. 57/4, min. 5!/, 
axis 5!/, mill.» (Bl. angl.) 
Nanina (Trochomorpha) culmen W. Blanf. Contrib. to Ind. 
Malac. V. 1865. p. 8. 
Habitat Pegu. 
334. H. gratulator Blanford. J| 
« T. perforata, turbinata, tenuis, albido-cornea. Spira co- 
nica, apice obtuso, sutura impressa. Anfr. 5, lente et regula- . 
riter accrescentes, convexi, superne oblique striati et spiraliter 
lirati, ultimus peripheria carinatus, subtus striis radiantibus et 
concentricis decussatus, circa perforaüonem non excavatus. 
Apertura diagonalis, subtrapezoidalis, latior quam alta; perist. 
tenue, marginibus distantibus, callo junctis, basali profunde 
sinuato, columellari verticali, angulum rectum cum basali for- 
mante, superne breviter triangulatim reflexo, parte reflexa in- 
