CHOANOPOMA $. 4. 167 
expansum, externum superne alatim dilatatum, latere sinistro 
subreflexum. — Opere.? — Diam. maj. 16, min. 13, alt. 8 
mill. Ap. intus 6'/, mill. longa, 6 lata. (Mus. Cuming.) 
Cyclostoma alatum. Pfr. in Proc. Zool Soc. 1851. Jul. 
— —:/ "UChemmn. ed. Il. N. 326. t. 41. f. 35—937. 
Choanopoma? alatum. Pfr. Consp. N. 240. p. 60. 
Habitat 5. Yago de Cuba. 
19. €h.? solutum Richard. 219 
T. umbileata, depressa, longitudinaliter confertim filoso- 
costata, sericea, diaphana, albida, lineis rufis interruptis ornata ; 
spira parum elevata, mucronata; sutura subcanaliculata, obsolete 
denticulata; anfr. 5 convexi, ultimus teres, antice descendens, 
solutus, basi in umbilieo latissimo: spiraliter. sulcatus; apertura 
obliqua, fere circularis; perist. duplex :internum continuum, 
rectum, prominens, externum album, undique rectangule patens, 
superne dilatatum, ad anfractum penultimum inflexo-adnatum. — 
Operc.? — Diam. maj. 13, min. 10, alt. 5'/, mill. Ap. intus 
4?/, mill. longa. (Mus. Cuming.) 
Cuclostoma solutum Rich. in sched. Cuming. 
— — . Chemn. ed. II. N. 293. t. 39. f. 8—10. 
Choanopoma? solutum Pfr. Consp. N. 241. p. 60. 
Habitat in insula Haiti. 
20. €. Adolfi E"fr. 280 
T. umbilieata, conoideo-semiglobosa, tenuiuscula, lineis 
elevatis radianübus et spiralibus regulariter granulato - decus- 
sata, diaphana, fulvida, lineis interruptis rufis cincta; spira 
convexo-conoidea, mucronulata; sutura irregulariter et remote 
nodoso-crenata; anfr. 4'/, convexi, ultimus rotundatus, circa 
umbilieum mediocrem liris pluribus carinaeformibus munitus; 
apertura subobliqua, circularis; perist. duplex : internum con- 
tinuum, breviter porrectum, externum patens, concentrice 
striatum, subundulatum, rufo-radiatum, superne in auriculam 
fornicatam dilatatum. —  Operc. normale. — Diam. maj. 8, 
min. 6'/, alt. 4?/, mill. Ap. c. perist. 4'/, mill. longa, 4 lata. 
(Coll. Nr. 122.) 
Cuclostoma .Adolfi ( Counopoma) Pfr. in Proc. Zool. Soc. 1852. 9 Mart. 
— —  QChoemn. ed. II. N. 397. t, 48. f. 5 —8. 
Habitat in insula Haiti (Sallé). 
