250 
ALCADIA. 
1567. 17 solitaria C. B. Adams. (Coll. 209. - Jamaica.) Pneum. II. p. 223. 
1568. 18. dnbiosa C. B. Adams. (Jamaica.) .... - - - 223. 
15 9. 19. megastoma C. B. Adams (Coll. 210. — Ja- 
maica.) - - - 223. 
15 70. 20. macilenta C. B. Adams. (Jamaica.) ... - - - 224. 
1571. 21. rubella Pfr. (Coll. 211. — St. Thomas, St. Jan.) - - - 224. 
15 72 . 22. A., ? »eE*icea Brouet. f 
„T. globiiloso-trochiformis, infra laevis, nitlda, supra stria- 
tula, tenuis, subtranslucicla, sericea, corneo-rubescens ; anfr. 5, 
ultimo dilatato; apertura hemisphaerica; perist. reflexum, can- 
didum vel roseum, basi subsinuosum; operculum subopacum, 
solidum, griseum. — Diam. 6, alt. 5^2 mill.“ (Dr.) 
Heitcina sericea DrouH Moll. terr. Guyane franc, p. 75. t. 2. f. 18 — 20. 
Habitat prope Cayenne. 
Obs. „Cette coquille n’appartiendrait-elle pas au genre Alcadia de 
Gray?« (Dr.) 
* 
1573. 23. Gundlachi Pfr. (Coll. 212. ~ Cuba.) . . . Pneum. II. p. 224. 
1574. 24. his pi da Pfr. (Coll. 213. — Cuba.) .... - - - 224. 
1575. 25. minima Orb. (Coll 214. — Malak. Bl. 1859. 
p. 80. — Cuba.) - - ~ 225. 
1576. 26. A* proxiiBifA OuBitllach, 
T. conoideo-semiglobosa, tenuis, epidermide seriatim pilosa 
induta, cornea ; spira conoidea, vertice acutiusculo ; anfr. 4 vix 
convexiusculi ; columella callosa, verticalis, callum ernittens 
tenuem ; apertura fere diagonalis, late semiovalis ; perist. tenue, 
margine dextro expansiusculo , basali incisura brevi a colu- 
mella separate. — Operc. tenue , corneum , appendiculatum. 
Diam. maj. 5, min. 4 C 3 , alt. 3^/3 mill. (Coll. Nr. 215 ) 
Helicina proxima GimdL, Poey.^ Memor. II. p. 6. nr. 362. 
Alcadia proxima Pfr. in Malak. Bl. V. 1858, p 49. 
Habitat in insula Cuba : Buenavista prope Bayamo (Gund- 
lach). 
1577. 27. capax Gundl. (Coll. 216. — Cuba.) .... Pneum. II. p. 224. 
1578. 28. pusilla C. B. Adams, f (Jamaica.) .... - - - 225. 
