116 
CTEN0P0.^1A §. 4. 5. 
16. Ct. iiigriculaiiii Grtindlaeia. 
T. subperforata, oblongo-turrita, brevissime truncata, so- 
lidula, liris nonnullis magis minusve clistinctis cincta et costulis 
confertis longitudinalibus filaribus fasciculatis sculpta, opaca, 
saturate fusca; spira regulariter attenuata; sutura mediocris, 
grosse crenulata; anfr, superst. 5 — 5^2 niodice convexi, ulti- 
mus non solutus; apertura verticalis, rotundato-ovalis ; perist. 
duplicatum, limbo externo latiuscule expanso (latere sinistro 
angustiore, adnato) , concentric^ striato, superne subproducto. 
— Operc. calcareum, planum, anfractibus levissime striatis. 
— Long. 10, diam. 4 mill, Ap. 3 mill, longa. (Coll. Nr. 272.) 
Cyclostoma nigriculum Gundl in litt. 
Ctenopoma nigriculum Pfr. in Malak. Bl. VII. 1860. p. 28. 
Habitat Mata et Yunque in parte orientali insulae Cubae. 
* 
17. sculptum Gundl. (Coll. 273. — Cuba.) . . Pneum. II. p. 103. 
18. Wilkinson! C. B. Adams. (Coll, 274. — 
Cyclostoma Reeve t. 17. f. 110. — Jamaica.) - - - 107. 
§. 5. 
19. Cf. JeaiisBepeti 
T. subperforata, oblongo-turrita, breviter truncata, soli- 
dula , liris obtusis spiralibus costulisque confertis liras trans- 
gredientibus sculpta, subdiaphana, lutescenti-albida vel sordide 
lilacea; sutura albo-denticulata ; anfr. superst. 5 modice con- 
vexi, ultimus breviter solutus, dorso crenato-carinatus , basi 
liris fortioribus munitus ; apertura sub verticalis, fere circularis ; 
perist. duplex : internum expansiusculum , adnatum, externum 
superne lingulatum, juxta perforationem excisum, caeterum 
patens, margine undulato. — Operc. testaceum, planum, nucleo 
parum excentrico , anfractibus oblique striatis. — Long. OVs? 
diam. 33/4 mill. (Coll. Nr. , 275.) 
Ctenopoma Jeannereti Pfr. in Malak. Bl. VIII. 1861. p. 223. 
Habitat „Monte Libano“ in districto Guantanamensi in- 
sulae Cubae (Jeanneret), 
20. Ct* GriisadSaclk. 
T. pervie umbilicata , oblongo-turrita , truncata, solidula, 
obtuse lirata et plicis membranaceis , versus aperturam con- 
