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. Ji/o — 9 mill. Ap. intus5 mill. 

 longa. (Coll. Nr. 456.) 



Ctjclosloma crenimargo Pfr. in Malak. Bl. V. 1858. p. 192. 



Habitat ad ostia fluminis Guaurabo prope Trinidad de 

 Cuba. 



b s. Simile Ch. violaceo, praecipue discrepans peristomate crenulato 



55. canesccus Pfr. (CoU. 457. — Malak. Bl. VII. 964. 



1860. p. 216; IX. 1862. p. 6. [Gibara, Nuevi- 

 tas, Holguin.l — Tudora ? canescens Pfr. 

 olim. — Cuba.) Pneum. II. p. 128. 



56. ? jucundum Pfr. (iReewt. 3. f. 17. — Habitat?) - - - 128. 965. 



57. Ch. nes^leetiim CrisBidlach. 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, ultinms 

 non solutus ; 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. 4* 3 mill. longa, 3 lata. (Coll. 

 Nr. 458.) 



Cyclostoma neglecturn „Gundl.« Poey Memor. II. p. 4. nr. 319. 

 — — Pfr. in Malak. Bl. V. 1858. p. 46. 



Habitat Cabo Cruz et Guisa insulae Cubae. 



Obs. Forma simile Ch. revincto Poey ., peristomate duplice facile 

 distinguendum. 



58. Petitianum Pfr. (Coli. 459. — Malak. Bl. 967. 



1858. p. 142. — Reeve t. 5. f. 34. — Haiti.) Pueum. II. p. 144. 



59. Cli. Ernesti Pfr. 9 68. 



T. perforata, ovato-turrita, truncata, tenuiuscula, liris fila- 

 ribus et costulis confertioribus subasperata, haud nitens, corneo- 



