392 HELICINA $. 10. 11. 
lum descendens, subangulatus, basi fere planus; apertura perob- 
liqua, triangularis; columella brevissima, simplex, retrorsum 
in callum basalem nitidum, concolorem dilatata; perist. sub- 
incrassatum , expansiusculum. — Opere. tenue, rubellum. — 
Diam. maj. 4'/,, min. 3?^, alt. 2*/, mill. (Coll. Nr. 66.) 
Helicina minuta Som. in Proc. Zool. Soc. 1842. p. 7. *) 
— — ,, , ISOTD, "Thes.-N. 20: p. 13.4. 1.0£. 40. (41. 
— — Chemn:. ed. II. N.-71. p. 54. à. 4. £.94—97. 
- discolor Mühlf. mss. in Ant. Verz. p. 53. n. 1938 £. 
B. Spira paulo magis elevata : 
Helicina flammneata. Mühlf. mss. in Ant. Verz. p. 53. n. 1938. 
Habitat in insulis Opara et. Oheatora. 
Soiblc 
683 120. Hi. unifasciata Grny. 
T. subdepresso-ovata, obscure acute carinata, albida, 
fusco unifasciata, spiraliter subcostata, striata; spira convexa, 
conica, subtus convexa; perist. incrassatum, reflexum ; aper- 
turae angulus columellaris obtuse emarginatus. — Axis */,; 
diam. 9/, poll. (Gray.) 
Helicina unifasciata Gray in Zool. Journ. I. p. 69. t. 6. f. 12. 
— -- Desh. in Lam. hist. VIII. p. 163. N. 16. 
—— — Som. Thes. t. 1. f. 21. (Ex Gray.) 
— — Chemn. ed. II. N. 91. p. 67. t. 9. f£. 37. (Ex Gray.) 
LHabitatedi ie". 
684 121. EH. Moreletiann Pfr. 
T. depresse conoidea, tenuiuscula, lineis elevatis spira- 
libus minute sculpta, opaca, rubello-flavida; spira brevis, co- 
noidea, apice acuta; anfr. 5 plani, ultümus acute carinatus, 
non descendens, basi convexus; apertura perobliqua, triangu- 
laris; columella brevis, arcuata, callum crassum, album, cir- 
cumscriptum emittens; perist. subincrassatum, album, margine 
supero late expanso-reflexo, basali leviter arcuato, late reflexo. 
— Operc.? — Diam. maj. 21'/,, min. 18, alt. 10 mill. (Mus. 
Cuming.) 
*) T. parva, depressa. subangulata, rubra vel straminea; margine 
crasso, effuso; labio interno calloso; columella ad basin subemarginata. — 
Alt. 0,10: lat. 0,15 poll. (Sow. l. e.) 
