CHOANOPOMA §. 4. 5. 
109 
Cyclosioma fragile Gundl. in lit. 
— — Reeve Conch, ic. sp. 153. t. 23. 
Choanopoma fragile Pfr. in Malak. Bl. VI. 1859. p. 70. 
Habitat in districto Guantanamensi insulae Cubae. 
40. Cli. iiei*raticoista M^einlaiid. 645 
T. aperte perforata, globoso - turrita, breviter truncata, 
tenuis, costis lamellaribus subserratis et interjectis filaribus 
munita, fulvida, fasciis interruptis rufis cincta; anfr. superst. 
3 convexi, ultimus teres ; apertura vix obliqua , subcircularis ; 
perist. tenue , continuum , subcampanulato - expansum , rufo- 
radiatum, concentrice striatum, margine dextro latiore. — 
Operc. solidum* — Long. 6^/2, diam. 4^/2 mill. Apert, diam, 
(incluso perist.) 32/3 mill. (Coll. Nr. 247.) 
Cyclostoma serraticosta Weinl. in Malak. Bl. IX. 1862. p. 89. 
Choanopoma serraticosta Pfr. ibid. p. 94. 
Habitat prope Corail insulae Haiti. 
§. 5. 
41. CSa. ebiirneum Cuudlaeli. 646 
T. late umbilicata, depressa, fere discoidea, solidula, con- 
ferte filoso-plicata, diaphana, nitida, eburnea ; spira vix elevata, 
vertice minuto, prominulo, lutescente; anfr. 4 convexiusculi, 
rapide accrescentes, ultimus subteres, antice vix descendens, 
ad aperturam superne subinflatus; apertura diagonalis, sub- 
circularis, intus concolor ; perist. subsimplex, breviter expansum, 
ad angulum superum anfractus ultimi extremitate alata dupli- 
catum, superstructum. — Operc. album, marginibus anfrac- 
tuum late et acute patentibus. — Diam. maj. I72/3, min. 14, 
alt. 7^2 niill- Ap. diam. 7 mill. (Coll. Nr. 248.) 
Cyclostoma ehurneum Gundl. in litt. 
— — Reeve Conch, ic. sp. 159. t. 23. 
Choanopoma ehurneum Pfr. in Malak Bl. V. 1858. p. 188; Novit. conch. 
I. p. 193. N. 294. t. 51. f. 17. 18. 
Habitat in parte orientali insulae Cubae. (In rupibus 
calcareis „Cafetal Santa Maria“ district! Ramon: Gundl.) 
42. Cli. auBdeomum Glundlaeli. 
T. umbilicata, conoideo-depressa, solidula, leviter striata. 
647 
