1 06 
CTENOPOMA. 
silt ura costularum fasciculis crenata ; anfr. superst. 3 — 4 con- 
vexi, ultimus antice non solutus, nec nodulatus ; apertura ver- 
ticalis, circularis, ampla ; perist. duplex: internum vix promi- 
nulurn, externum breviter patens, concentrice striatum, superne 
longe adnatum , perforationem fere tegens. — Operc. C. ra- 
gulosi. — Long. 8, diam. 4: l l 2 mill. Ap. diam. fere 3 mill. 
(Coll. Nr. 180.) 
CycJoslorna rotundatum Poey Memor. I. p. 419. t. 34. f. 19-21. 
Ctenopoma rotundatum Pfr. in Malak. Bl. 1856. p. 60. 126. 
Habitat „ Sierra de Organos* provinciae occidentalis Cubae 
(Gundlach). 
Obs. Simile Ct. ruguloso ; differt sculptura , noclulo in extremitate 
anfractus ultimi deficiente, etc. 
U- Ct. gerditliiiu Qiindlach. f 
„Testa obtecte umbilicata, ovato-oblonga, decollata, tenuis, 
plicis transversis confertis irregulariter lamellata , costulis spi- 
ralibus distantibus decussata, cinerascenti-albida ; anfractus su- 
perstites S l / 2 convexi , lente accrescentes , ad suturam canali- 
culatam denticulati, ultimus anfractui contiguo adnatus ; aper- 
tura verticalis , circularis; peritrema duplicatum : internum 
rectum, acutum , postice prominens, ibique striis incrementi 
ornatum, externum undique aequaliter patens, laevigatum. — 
Operculum? — Long, trunc. 7'% — 11, diam. 4 1 / 2 — 7 mill." (G.) 
Cyclostoma sordidum Gundl. in Poey Memor. II. p. 14. 
— — Gundl. in Malak. Bl. 1856. p. 39. 
Ctenopoma sordidum Pfr. in Malak. Bl. 1856. p. 61. 126. 
Habitat in monte prope San Diego de los Banos prov. occi- 
dentalis Cubae (Gundlach). 
Obs. „Differt a C. rotundato Poey forma ovato-oblonga et peritre- 
mate distincto, ab honesto Poey absentia tuberculi pone aperturam nec non 
forma testae." 
12. Ct. Camgibelli C. ES. Adastss. 
T. perforata, elongato-conica , tenuiuscula, plicis lamella- 
ribus confertis, ad suturam acute excurrentibus sculpta, dia- 
phana, fulvesc-enti-albida, seriebus macularum rufarum ornata; 
spira integra, acuta; anfr. l l / 2 convexi, ultimus longe solutus, 
dorso angulatus et crenulatus; apertura obliqua, subcircularis ; 
perist. subduplex: internum indistinctum, adnatum, externum 
superne productum, margine dextro et basali patentibus, sini- 
