IIELICINA §. 11. 
399 
fuscis supra et infra carinam ornata; spira brevis, conoidea, 
acuta; anfr. 5 convexiusculi , rapide accrescentes, ultimus non 
descendens, basi convexior; columella fusca, brevis, subar- 
cuata, dilatata, basi in angulum subspiniformem terminata, 
callum emittens circumscriptum, fuscum; apertura diagonalis, 
late subtriangularis; perist. dilatatum, planum, expansum, intus 
fuscum, margine supero subrepando, basali substricto. — Operc. ? 
— Diam. maj. ll l / 2 , min. 9, alt. 6 mill. (Mus. Cuming.) 
Helicina bicolor Pfr. in Proc. Zool. Soc. 9 Mart. 1852. 
Habitat in insula Tahiti. 
136. H. aaagulata ^owerby. 699 
T. subdepressa, tenuiuscula, concentrice striata, flavida 
vel rosea; spira conoidea, apice acutiuscula; sutura leviter 
impressa; anfr. 4 [ /. 2 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 dentiformem abiens ; 
perist. album, rectangule patens, tuberculo columellari conti- 
nuum; callus basalis tenuissimus. — Operc.? — Diam. maj. 
10'/„ min. 9, alt. 6V a mill. (Coll. Nr. 71.) 
Helicina angulata Sow. Thes. N. 60. p. 12. t. 2. f. 61. t. 3. f. 100. *) 
— — Chemn. ed. II. N. 82. p. 60. t. 2. f. 14. 15. 
Habitat in Brasilia (Sower by, Bescke). 
137. It. CaaBdeaita OrSiigity. *j- 700 
T. depressa, laevis; anfr. angulati in medio valde cari- 
nati; labium externum expansum, reflexum, in medio subacu- 
minatum, attenuatum; operculum corneum. (Sow.) — Diam. 
14 — 15, alt. 8 mill, (ex ic.) 
Helicina Candeana Orb (Moll. Am. Mer. N. 17. ex Sow.) 
— — Sow. Thes. N. 55. p. 11. t. 3. f. 97. 99. **>. 
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. 1. c.) 
**) This shell resembles H. Carocolla , but is smooth, with the outline 
rather more rounded , the outer lip less expanded , and pointed upwards in 
the centre. (Sow. 1. c.) 
