CTENOPOMA §. 1. 113 



caeterum anguste patens. — Operc. planura, terminale. — 

 Long. 11, diam. 6 mill. Apert. 32/3 mill. alta. (Coll. Nr. 258.) 



Cyclosioma iurquatum Gui.^ Poey Memor. H. p. 34. t. 4. f. 2. 



Cienofoma torquuium Pfr. Hlon. Pneum. Suppl. p. 105. (ex Poey). 

 Habitat prope Cienfuegos in parte meridionali insulae 

 Cubae. 



2. echinatum Gundl. (Coll. 259 - Cuba.) . Pneura. II. p. 103. 658. 



3. honestum Poey. (Coll. 260. — Cyclostoma 659. 



Rceve t. 17. f. 108. — Cuba.) - - - 105. 



4. Ct. tiiidosiim Griindlacli* 660. 



T. clause perforata, oblongo-turrita , solida, liris paucis 

 spiralibus undulatis , validis costulisque lamellaribus sculpta ; 

 spira oblonga, truncata; sutura crenulata ; anfr. superst. 3^2 — 4, 

 superi subangulati, ultimus non solutus ; apertura verticalis, 

 subcircularis ; perist. breviter expansum, undulatum, lamina 

 dilatata umbilicum oranino claudens. — Operc. normale, ter- 

 minale. — Long. (spec. max.) T*/^, diam. 4 raill, Apert. 

 diara. 2V2 mill. (Coll. Nr. 261.) 



Cyclostoma undositm Gundl. in litt 



Ctenopoma undosum Pfr. in Malak. Bl. X. 1863. p. 193. 

 Habitat in parte occidentali insulae Cubae. 



5. Ct. piilveriilentiim Wrifslit. 661. 



T. clause perforata, turrita, truncata, solidula, longitu- 

 dinaliter confertissirae chordato-striatula , carneo-alabastrina ; 

 spira regulariter attenuata , sublate truncata ; sutura fascicu- 

 latira et grosse crenata; anfr. superst. 5 convexi, ultimus 

 non solutus , liris nonnullis obsoletis basi sculptus ; apertura 

 verticalis, subcircularis ; perist. duplex : internum vix pro- 

 rainulura, externura anguste patens, superne productum, supra 

 perforationem adnatura , tum breviter auriculatum. — Operc. 

 planura, anfractibus parum conspicuis , nucleo impresso. — 

 Long. 7 '/3, diam. 3 mill. (Coll. Nr. 262.) 



Ctcnopomu pulverulentum Wrifjht mss., Pfr. in Malak. Bl 1864 X. p. 103. 



Habitat in parte occidentali insulae Cubae (Wright). 



6. €"t. ? biito Pfr. 662. 



T. clause perfbrata, oblonga, solida, liris spiralibus gros- 



8 



