402 HELICINA $&. 11. 12. 
706 143. NN. Niüeobnuriena Philippi. 
T. lentieularis, tenuiuscula, laevigata, nitidula, albida vel 
carnea, fasciis 1—— 2 angustis rubris plerumque ornata; spira 
brevis, obtusa; anfr. 4 planiusculi, sensim accrescentes, ultimus 
acute earinatus, basi convexior, interdum striis elev atis spira- 
libus obsolete cinctus ; apertura subobliqua, obtuse triangularis ; 
columella brevis, obsolete tuberculata; perist. acutum,  beevi 
sime expansum; callus basalis ue linea. albida cireum- 
scriptus. — Operc. tenue, carneum. — Diam. maj. 5'/,, min. 
9, alt. 9'/, mill. (Coll. Nr. 73 
Helicina Nicobarica Phil. in Zeitschr. f. Malak. 1847. p. 149. 
— -— Chemn. ed. IL.-N. 85. p. 62. t. 2. f. 19—21 
Habitat in insulis Nicobar. (Th. Philippi.) 
$4712: 
707 144. BH. HBbeseheoei E"fr. 
T. subsemiglobosa, solida, subtülissime striatula, sublaevi- 
gata, opaca, citrina unicolor vel fascia l1 sanguinea juxta su- 
turam ornata, vel omnino rubicunda; spira brevis, convexo- 
conoidea, submucronata; anfr. 5 subplani, ultimus ad periphe- 
riam caria 1 acuta, pluribusque obtusioribus munitus, antice 
non descendens; apertura obliqua, subtriangularis; columella 
breviter recedens, bàsi obsolete angulata; perist. expansum, 
subincrassatum, margine supero strictusculo, basali subarcuato ; 
callus basalis tenuissimus. — Operc. semiovale, extus nitide 
rubro-castaneum, intus pallidum. — Diam. maj. l7, min. 14, 
alt. 10 mill. (Coll. Nr. 74.) 
Helicina Besckei Pfr. in Proc. Zool. Soc. 1848. p. 120. 
— —  . Pfr. in Zeitschr. f. Malak. 1848. p. 88 
— — . Chemn. ed. II. N. 87. p: 64. t. 4. f. 1—4. 
— . earinata Som. 'Thes. t. 2. f. 60, Nec Orb. 
Habitat in. Brasilia (Bescke). 
708 145. NHÉ. variabilis Wagner. 
T. orbieulato-conoidea, solidula, concentriee striata, niti- 
dula, unieolor flavescens aut fasciis latis purpureis vel violaceis 
ornata; spira conoidea, acutiuscula; anfr. 5'/, subplani, ultimus 
biearinatus: carina majore peripherica , altera obtusiore infra 
illam; apertura integra, semiovalis ; columella brevis, retrorsum 
in eallum basalem circumscriptum, album abiens; perist. album, 
