HELICINA &. 11. 399 
fuscis supra et infra carinam ornata; spira brevis, conoidea, 
acuta; anfr. 0 convexiusculi, rapide accrescentes, ultimus non 
descendens, basi convexior; columella fusca, brevis, subar- 
euata, dilatata, basi in angulum subspiniformem terminata, 
callum emittens cireumscriptum, fuscum; apertura diagonalis, 
late subtriangularis; perist. dilatatum, planum, expansum, intus 
fuscum, margine supero subrepando, basali substricto. — Opere. ? 
— Diam. maj. 11'/4, min. 9, alt. 6 mill. (Mus. Cuming.) 
Helicina bicolor Pfr. in Proc. Zool. Soc. 9 Mart. 1852. 
Habitat in insula Tahiti. 
136. Hi. nmzulnata Sowerby. 699 
T. subdepressa, tenuiuscula, concentriee striata, flavida 
vel rosea; spira conoidea, apice acutiuscula; sutura leviter 
impressa; anfr. 4'/, vix convexiusculi, ultimus acute carinatus, 
antice non descendens, basi subinflatus, juxta aperturam extus 
et intus rubro-marginatus ; apertura parum obliqua, semiovalis ; 
columella brevis, subrecedens, in angulum dentüformem abiens ; 
perist. album, rectangule patens, tuberculo columellari conti- 
nuum; callus basalis tenuissimus. — Opere.? — Diam. maj. 
105/,; min: 9, :alt:.63/4. sull: (Col Nr. 75) 
Helicina angulata Som. 'Thes. N. 60. p. 12. t. 2. f. 61. t. 3. f. 100. *) 
— — Chemn. ed. Y. N. 82. p. 60. t. 2. f. 14. 15. 
Habitat in Brasilia (Sowerby, Descke). 
i575. H. Candeana Orbigny. 700 
T. depressa, laevis; anfr. angulati in medio valde ecari- 
nati; labium externum expansum, reflexum, in medio subacu- 
minatum, attenuatum ; operculum corneum. (Sow.) — Diam. 
14—15, alt. 8 mill. (ex 1c.) 
Hoelicina. Candeana Orb. (Moll. Am. Mer. N. 17. ex Sow.) 
- E Som uEhes- NSNDD Sp DIS Et 9591- 97.9995 088) 
Habitat ad Sinum Hondurasanum. (Sow.) 
*) T. conica, spiraliter striata; anfractibus supra et infra subinflatis, 
in medio carinatis, labio externo reflexo , rotundato, supra angulum subde- 
presso; columella subrecta, ad basin angulata; operculo corneo. (Sow. l. c.) 
**) 'This shell resembles /7. Carocoíla, but is smooth, with the outline 
rather more rounded, the outer lip less expanded, and pointed upwards in 
the centre. (Sow. l. c.) 
