346 
HELICINA §. 2. 
sanguinea; spira brevis, conoidea, acutiuscula; anfr. 47 2 plani, 
ultimus utrinque convexiusculus, medio subangulatus ; apertura 
obliqua, subtriangularis , altior quam lata; columella basi an- 
trorsum dentata, callum tenuem, semicircularem retrorsum 
emittens ; perist. rectum , intus sublabiatum , margine basali 
strictiusculo. — Operc. ? — Diam. maj. 10%, min. 9, alt. 
6 mill. (Mus. Cuming.) 
Helicina sanguinea Pfr. in Proc. Zool. Soc. 1848. p. 124. 
— — Chemn. ed. II. N. 10. p. 17. t. 8. f. 20. 21. 
Habitat Honduras (Dyson). 
577 14. II. gfriatula Sowerliy. 
T. subsemiglobosa, solidiuscula, oblique striatula, diaphana, 
vix nitidula, fuscescenti - rufa ; spira convexa, mucronulata; 
sutura linearis, submarginata ; anfr. 6 planiusculi, ultimus vix 
convexior; columella brevissima, retrorsum in callum basalem 
tenuissimum abiens; apertura obliqua, subtriangulari - lunaris ; 
perist. rectum, incrassatum, ad columellam obsolete tnbercu- 
liferum. — Operc.? — Diam. maj. 8 V 35 min. 7 Vs> alt. 5 mill. 
(Mus. Cuming.) 
Helicina striatula Sow. in Proc. Zool. Soc. 1842. p. 6. *) 
— — Sow . Thes. N. 6. p. 3, t. 1. f. 43. 
— Chemn. ed. II. N. 11. p. 18. t. 8. f. 32. 33. 
Habitat in insula Martinique. 
Obs. Nomen forsan ob H. siriatulam Pot. et Mich., mihi ineognitam, 
nratandum. 
578 15. H. occulta Say. 
T. orbiculata-conoidea, striata, crassa, sordide alba; spira 
conoidea, acuminata; anfr. 5 % planiusculi, carinati, ultimus 
convexior, obtuse angulatus, antice paululum descendens; 
apertura perobliqua, integra, obtuse triangularis; columella 
subnulla, retrorsum callum basalem diffusum formans; perist. 
rectum , obtusum , intus incrassatum. — Operc. ? — Diam. 
maj. 7, min. 6 %, nit. 4 '/ 2 mill. (Coll. Nr. 27.) 
*) T. subdepressa, concentrice substriata, fulvo-rufescente ; apertura sub- 
quadrata, margine albo, crasso , reflexo, integro, subsinuato, postice subde- 
presso. — Alt. 0,23, lat. 0,30 poll. — Hab.? — The margin of the aper- 
ture in this species is slightly lobed, and sinuous above and below. (Sow. 1. c.) 
