248 
ALCADIA. 
Species : 
1551. 1. major Gray. (Coll. 197- — Jamaica.) , . . Pneum. II. p. 222. 
1552. 2. hirsuta C. B. Adams, t (Jamaica.) .... - - - 222. 
1553. 3. consanguinea C. B. Adams, f (Jamaica.) . - - - 222. 
1554. 4. A. C. II. Adasii^. 
T. semigloboso-conoidea, soliclula, oblique conferte stria- 
tula et seriebus spiralibus punctorum piliferorum cincta, fus- 
cula vel carnea, ad suturam pallidior; spira convexiusculo- 
conoidea, vertice subtili; anfr. fere 5 convexiusculi , ultimus 
antice descendens, basi subplanulatus , ad aperturam superiie 
impressus; apertura perobliqua, subtriangularis, latere dextro 
dilatata et rotundata; callus basalis circumscriptus ; columella 
brevis, dente extrorsum patente terminata ; perist. album, mar- 
gine supero flexuoso, ad dextram dilatato et sublate expanse, 
basali versus columellam sensim angustato et sinu brevi latius- 
culo ab ea separate. — Operc. ? — Diam. maj. 16, min. 13, 
alt. 9 — 91/2 mill. (Coll. Nr. 198.) 
Helicina microstoma C. B. Adams. 
Alcadia microstoma Pfr, Pneum. p. 406. Suppl. p. 222. • 
— — Pfr. Novit. conch. I. p. 230. Nr. 333. t. 59. f. 15 — 17. 
Habitat in insula Jamaica. 
v‘{- 
1555. 5. G o s s ei P fr. (J amai c a.) Pneum. II. p. 222. 
1556. 6. palliata C. B. Adams. (Coll. 199. — Jamaica.) - - - 222. 
1557. 7. rhamphostyla Pfr. (Habitat?) - - - 222. 
1558. 8. Brownei Gray. (Coll. 200. — Jamaica.). . . - - - 222. 
1559. 9. citrinolabris C. B. A d am s. (Coll. 20 1. — Var. : 
//. albolabris C. B. Ad. — Jamaica.) . . - - - 222. 
1560. 10. Hollandi C. B. Adams. (Coll, 202. — Jamaica.) - - - 222. 
1561. 11. succinea Pfr. (Coll. 203. — Haiti.) .... - - - 223. 
1562. 12. velutina Poey. (Coll. 204. — Cuba.) .... - - - 223. 
1563. 13. dissimulans Poey. (Coll. 205. — Cuba.) . . - - - 223. 
1564. 14. A. 
T. globuloso-depressa, tenuis, striatula et brevissime pilo- 
siuscula, corneo-rufa; spira conoidea; anff. Ji/o convexiusculi, 
ultimus callo columellari subcircumscripto munitus; apertura 
oblique, late semiovalis; columella brevissima, alba, subtriangu- 
laris, in denticulum obtusum desinens; perist. tenue, breviter 
expansum, margine supero ad pnsertionem sinuate, turn de- 
