108 
CHOANOPOMA §. 4. 
643, 
644 . 
striata et costis chordaeformibus antice distantioribus sculpta, 
vix nitidula, pallide isabellina, lineis nonnullis fulvidis cincta; 
spira breviter turbinata, acutiuscula, anfr. 5 modice convex!, 
ultimus dilatatus, non solntus, circa umbilicum apertura, medio- 
crem lira filiform! munitus; apertura obliqua, ovali-circularis, 
intus carnea, nitida ; perist. subduplex : internum vix porrectum, 
externum patulum , margine dextro angustissimum , superne 
cucullatim productum, margine sinistro dilatatum. — Operc. 
planum, marginibus anfr. vix liberis. — Diam. maj. 13, min. 
10, alt. 8 mill. (Coll. Nr. 244.) 
Cyclostoma Yaterasense (Choanopoma) Pfr. in Malak. Bl. VI. 1859. p. 71. 
Habitat Yateras district! Guantanamensis insulae Cubae 
(Gundlach). 
38. Ch. irunquen^e Pfr. 
T. mediocriter umbilicata, tenuis, globoso-turbinata, dense 
striata et costulis chordaeformibus sculpta, subpellucida, carnea; 
spira turbinata, obtusula; sutura profunda, costulis denticulata; 
anfr. 4^/2 convex!, ultimus rotundatus, antice vix solutus, circa 
umbilicum filocarinatus ; apertura parum obliqua, subcircularis ; 
perist. continuum, breviter expansum, superne breviter et 
acute productum. — Operc. 4-spiratum, nucleo subcentrali, 
marginibus anfractuurn liberis, elevatis. — Diam. maj. 8 — 9^/3, 
min. 62/3 — 73/4, alt. 6^/2 — milb Ap. diam. 4 — 4^/2 mill. 
(Coll Nr. 245.) 
Cyclostoma Yunquense (Choanopoma) Pfr. in Malak. Bl. VII. 1860. p. 26. 
Habitat in monte Yunque partis orientalis insulae Cubae 
(Gundlach). 
O b s. Species nonnullae cubanae similes propter operculi formationem 
generi Cistulae adscribendae fuerunt, ubi in §. 1 comparandae sunt. 
39. Cli* fragile Griindlacli^ 
T. umbilicata, globoso-conica , tenuis, levissime striatula, 
pellucida, nitida, albido-cornea ; spira turbinata, vertice obtusulo 
vel breviter truncate ; sutura profunda ; anfr. 5 rotundati, ulti- 
mus antice subsolutus, circa umbilicum mediocrem, conicum 
indistincte liratus; apertura parum obliqua, ovali-rotundata ; 
perist. simplex, undique breviter expansum. — Operc. utrinque 
subplanum, marginibus strati calcarei exterioris vix liberis. 
— Diam. maj. 11, min. 9, alt. 9 mill. (Coll. Nr. 246.) 
