352 HELICINA $. 4. 
591 28. Mi. Domünicemsis E'fr. 
T. globoso-coniea, solidula, concentrice confertim striata, 
parum nitida, albida, luteo- vel fulvo-zonata; spira conica, 
acuta; anfr. 6 planiusculi, sutura profunda juneti, ultimus con- 
vexior, vix descendens; columella. brevissima, basi denticulata, 
callum. emittens tenuem, vix eireumseriptum ; apertura parum 
obliqua, semiovalis; perist. acutum, subrectum. —  Operc. 
tenue, testaceum, carneum, margine columellari elevato. — 
Diam. maj. 6'/, min. 53/, alt. 5 mill. (Mus. Cuming.) 
Helicina Dominicensis Pfr. in Proc. Zool. Soc. 1850. 
Habitat in. insula Haiti. (Sallé). 
592 29. BH. rotelloideaoa Ylighels. 
T. conica, tenuis, sublaevigata, nitida, olivaceo - flavida, 
flammis rufis superne picta; spira conica, obtusiuscula; anfr. 5 
convexi, discreti, ultimus medio subangulatus, basi vix. con- 
vexus; apertura parum obliqua, subtriangularis, aeque alta et 
lata; columella subvertiealis, cum margine. basali peristomatis 
simplicis, acuti angulum fere rectum formans; callus basalis 
tenuissimus. — Operc. tenue, testaceum. — Diam. maj. 5'A, 
min. 5, alt. 4. mill. (Coll. Nr. 34.) 
Helicina rotelloidea Migh. in Proc. Bost. Soc. 1845. p. 19. *) 
— -- Chemn. ed. II. N. 21. p. 23. t. 3. f. 40 — 43. 
-— Bronniana Phil in Zeitschr. f. Malak. 1847. p. 124. **) 
Habitat in insulis Sandwich., Oahu (Migh.). 
593 30. EN. laciniosn Ylighels. 
'T. subeonica, tenuiuseula, striatula, vix nitidula, cinna- 
momea, irregulariter albido strigata et maculata; spira conoi- 
dea, .acutiuscula ; anfr. 4—4'/, vix convexiusculi, ultimus peri- 
pheria lines 1—93  subelevatis signatus, basi planiusculus ; 
columella brevissima, callum nitidum, diffusum retrorsum 
emittens; apertura obliqua, subtriangulari- semiovalis; perist. 
*) Shell orbicular, low conical, convex at the base, sometimes reddish 
brown, sometimes greenish, with obscure light spots, surface smooth ; whorls 
about 3!/,, convex; aperture semilunate; lip simple, aeute. — Diam. from '/,, 
) */As inch. (Migh. l. c.) 
**) T. minima, conica, laevissima, flavida, flammis rufis picta ; anfracti- 
bus superius planis, D eee convexis, "discretis, ultimo medio rotundato- 
angulato; apertura semilunari aeque alta ac lata; labro simplicissimo ; labio 
callo tenui obtecto; operculo caleareo. — Alt. 2"^; diam. 2'/,"*. (Phil. l. c.) 
