CHONDROPOMA §. 8. 
155 
perist. duplex : internum expansiusculum , externum patens, 
ad anfr, contiguum vix interruptum, latere dextro subprofunde 
crenulatum, columellari dilatato, perforationem subtegente. — 
Operc.? — • Long. 14—16, diam. 7^/2 — 9 mill. Ap. intus5 mill, 
longa. (Coll. Nr. 456.) 
Cyclostoma crenimargo Pfr. in Malak. Bl. V. 1858. p. 192. 
Habitat ad ostia fluminis Guaurabo prope Trinidad de 
Cuba. 
0 b s. Simile Ch. violaceo, praecipue discrepans peristomate crenulato 
55. canes cens Pfr. (Coll. 457. — Malak. Bl. VII. 964 
1860. p. 216; IX. 1862. p. 6. [Gibara, Nuevi- 
tas, Plolguin.] — Tudor a ? canescens Pfr. 
olim. — Cuba.) Pneum. 11. p. 128. 
56. ? jucundum Pfr. {Reeve — Habitat?) - - - i28. 965 
57. 966 
T. subperforata, turrita, subintegra, solidula, liris obtusis 
et costis longitudinalibus paulo confertioribus subregulariter 
reticulata, pallide fulvescens, lineis interruptis castaneis notata; 
spira elongata, breviter truncata vel apice albo obtusiusculo 
munita ; sutura grosse crenata ; anfr. 8 convexiusculi, ultimus 
nonsolutus; apertura verticalis, angulato-ovalis ; perist. duplex: 
internum continuum, vix porrectum, externum undique breviter 
patens, ad anfr. contiguum excisum. ~~ Operc. normale. — 
Long. 15, diam. 6 mill. Ap. dbg mill, longa, 3 lata. (Coll. 
Nr. 458.) 
Cyclostoma neglectum „Gundl.a Poey Memor. II. p. 4. nr. 319. 
— — Pfr. in Malak. Bl. V. 1858. p. 46. 
Habitat Cabo Cruz et Guisa insulae Cubae. 
O b s. Forma simile Ch. revincto Poey , peristomate duplice facile 
distinguendum. 
58. Petitianum Pfr. (Coll. 459. — Malak. Bl. 967 
1858. p. 142. — Reeve t. 5. f. 34. ■ — Haiti.) Pneum. II. p. 144. 
59. Cil. Ersaesti PFa*. 9 68 
T. perforata, ovato-turrita, truncata, tenuiuscula, liris fila- 
ribus et costulis confertioribus subasperata, baud nitens, corneo- 
