HELICINA §. 3. 4. 
351 
uscula; perist. incrassatum; columella basi callosa, aurantiaca. 
(Sow.) -r: Dimens.? 
Helicina lenticularis Sow. in Catal. Tank. App. p. VIII. n. 1024. *) 
Habitat in insulis Maris Pacifici. 
§• 4. 
26. H. cingutata Pfr. 589 
T. conoideo-globosa, solidiuscula , subconfertim spiraliter 
striata, opaca, carneo- albida, luteo - bicingulata ; spira lutea, 
convexo- conoidea, apice acutiuscula; anfr. 5 T / 2 convexiusculi, 
ultimus rotundatus ; columella brevis , verticalis , basi subden- 
tata, callum emittens tenuem, subcircumscriptum ; apertura vix 
obliqua, semiovalis; perist. simplex, rectum, margine basali 
leviter arcuato, cum columella angulum formante. — Operc. ? 
— Diam. maj. 7V 2 ? min. 6%, alt. 5 mill. (Mus. Cuming.) 
Helicina dngulata Pfr. in Proc. Zool. Soc. 9 Mart. 1852. 
Habitat in insula Haiti (Salle). 
27. M. costata CJray. 590 
T. conica, solidula, spiraliter costato - striata , albida vel 
lutea ; spira conica , acuminata ; anfr. 6 vix convexiusculi, 
ultimus spira brevior, antice non descendens, basi subplanatus; 
apertura obliqua, integra, ovali - subtriangularis , intus lutea; 
columella brevis, recedens, retrorsum in callum basalem tenuem, 
nitidum dilatata; perist. simplex, rectum. — Operc. immersum, 
tenue, lutescenti - corneum. — Diam. maj. 6, min. 5 '/ 3 , alt. 
5 V 3 mill. (Coll. Nr. 33.) 
Helicina costata Gray in Zool. Journ. I. p. 67. t. 6. f. 6. **) 
_ — Desk, in Lam. hist. VIII. p. 161. N. 11. 
— — Sow. Thes. N. 22. p. 5. t. 1. f. 20. ***). 
— — Chemn. ed. II. N. 20. p. 22. t. 4. f. 31—33. t. 8. f. 20. 
Habitat in insula Jamaica. 
*) This little shell in general form approaches very near to H. viri - 
dis Gray. (Sow. 1. c.) 
**) T. depresso-ovata, lutea, spiraliter striato-costata, spira conica, sub- 
tus subconvexa; perist. incrassato, subreflexo, luteo, labiis subincrassatis. — 
Axis 3 / 20 , diam. 2 / 10 poll. (Gray 1. c.) 
***) T. minuta, H. virgineae simili, sed costis paucis; columella an- 
gustiori; labio externo vix expanso. (Sow. 1. c.) 
