TROCHATELLA §. 4. 
335 
tatus , medio impressus ; apertura perobliqua, lanceolato-rhom- 
bea ; perist. tenue , margine supero recto , sinuoso, basali bre- 
viter reflexo. — Diam. maj. 13, min. liy 2 , a b. 7 mill. (Coll. 
Nr. 15.) 
Helicina stellata Velasquez mss. (Jay Catal. 1850, p. 262. N. 6098.) 
— — Poey Mem. hist. nat. Cuba I. t. 5. f. 18 — 20. 
— rota Newcomb mss., Jay Catal. 1850. p. 262. N. 6091 ? 
Habitat in insula Cuba (Poey). 
14. T. JTosepIifsaae Adams. 559 
T. conoidea, trochiformis , acute carinata, solidiuscula, 
irregulariter et undulatim rugoso-plicata, non nitida, straminea; 
spira conoidea, acutissime mucronata; anfr. 6 plani, omnes 
dentato-carinati : ultimi carina subduplice, rubro et albo varie- 
gata; apertura perobliqua, subsecuriformis ; perist. album, 
marginibus conniventibus , supero repando, vix expansiusculo, 
basali ' subincrassato - reflexo. — Operc. ? — Diam. maj. 12, 
min. 10, alt. 6 mill. (Mus. Cuming.) 
Helicina Josephinae Adams Contrib. to Conchol. N. 1. p. 14. *) 
Trochatella Josephinae Adams Catal. 1849 et 1851. 
Habitat in insula Jamaica. 
15. T. puIclielSa €»i*ay. 560 
T. subgloboso - conica , tenuis, lutea, rufo interrupte fas- 
ciata et albido variegata, vix nitidula; spira conica, acuminata; 
anfr. 5 — 6 subplani, ad peripheriam undulato-carinati, superne 
liris elevatis concentricis muniti, ultimus antice non descen- 
dens , infra carinam spiraiiter confertim striatus ; columella 
brevis, verticalis, dilatata, complanata; apertura ampla, inte- 
gra, subtriangulari - ovalis ; perist. tenue, undique late expan- 
sum, margine supero et basali strictiusculis. — Operc. sub- 
triangulare, chartaceum, corneo-albidum. — Diam. maj. ll r / 2 , 
min. 9, alt. 9 mill. (Coll. Nr. 16.) 
*) Shell conic above, much flattened beneath, with the periphery very 
acute and scolloped or imbricate; above irregularly mottled with yellow, 
green and white ; beneath copper red , with the centre pale green ; spirally 
ribbed above, with very fine close spiral striae beneath; spire with the out- 
lines concave near the apex, rectilinear in the rest ; apex acute ; whorls six, 
flat or slightly concave ; aperture a spherical triangle ; lab rum moderately 
thickened and reflected, much advanced above; deposit of the base thin. 
— Mean divergence 100°, at the apex 80°; length 0,27; greatest breadth 
0. 43; least breadth 0,36 inch. This species belongs to Trochatella. (Adams 
1. c.) 
