316 HELICINA $.8. 
culi, ultimus rotundatus, antice subdescendens; apertura parum 
obliqua, subsemicircularis; columella brevissima, extrorsum 
denticulata, callum tenuem, albidum, diffusum emittens; perist. 
album, vix expansiusculum, intus subincrassatum, basi in den- 
ticulum columellae abiens. — Operc.? — Diam. maj. 1!/, 
min. 6'/, alt. 5?/, mill. (Mus. Cuming.) 
Helicina Hanleyana Pfr. in Proc. Zool. Soc. 1848. p. 122. 
— — Chemn. ed. IL. N. 45. p. 38..t. 9. £. 7. 8. 
Habitat prope New-Orleans (Sallé). 
645 82. NH. flavida Ylemhe. 
T. globoso-coniea, concentrice et subtüliter striata, opaca, 
alba vel flava, unicolor vel apice rubens, interdum rubro-fas- 
ciata; spira elata, acutiuscula; anfr. 6—6'/, planiusculi, ulti- 
mus antice non descendens, basi subplanulatus; apertura obli- 
qua, integra, subsemicireularis; columella brevis, arcuata, 
retrorsum in callum basalem tenuem dilatata; perist. album, 
breviter expansum. —  Operc. profunde immersum, tenue, 
castaneum. — Diam. maj. 7, min. 6, alt. 6 mill. (Coll. Nr. 55.) 
Helicina flavida Menke Synops. p. 79. Ed. II. p. 132. *) 
— e X aso. "Bhes. INTUEL Bios DESEE 
M 344. dGhemn. "ed. TES INC7 59:9 p, 497 4:3. f. 1315 89^ EL: 
f. 28-—30. 
—  ambieliana Boissy in Guérin Mag. 1835. t. 68. ***) 
— — Pot. 4 Mich. Gal. Douai I. p. 228. t. 23. f. 1. 2. 
—  trossula Morclet 'Test. noviss. I. p. 19. N. 44. 1) 
Habitat in insula Cuba, Tabago, Mexico et in prov. Peten 
reipublicae Guatemalensis. — Jamaica? (Cl. Adams in Catal. 
moll. Jamaicensium non habet.) 
*) T. globoso-conica, transversim tenuissime striata, flava, apice acuta, 
rubente; apertura obtuse trigona; columellae callo obsoleto; labri albi mar- 
gine incrassato, reflexo. — Alt. 3, lat. 3'". — Jamaica. (Menke 1. e.) 
**) T. trochiformi, subcrassa; labio externo crasso, reflexo, rotundato. 
(Sow. l. e.) 
***) T. trochiformi, nitida, albido-rubra aut lutescente, longitudinaliter 
obsolete striata; sulcis transversis minimis; apertura semilunari ad periphe- 
riam obtuse angulata; labro crasso, reflexo; anfr. 6, primis rubiginosis; 
apice obtuso, laevigato; operculo corneo. — Alt 6 —8 mill. — "Tabago. 
(Boissy l. c.) 
D T. parva, conoidea, obsolete striolata, colore pervaria, citrina, al- 
bida, rosea, fulva, unicolor vel zonata; spira retusiuscula; anfr. 6 parum 
convexi, ultimo depressiusculo; columella acute callose; apertura parva, 
subtrigona; perist. pallidum, subincrassatum, vix reflexiusculum. — Diam. 
maj. 6, min. 5 mill. — Guatemala. (Morelet l. c.) 
