CHONDROPOMA 5$. 6. 7. 9295 
6 mill. longa, 4'/, lata; limbus peristomatis fere 3 mill. latus. 
(Coll. Nr. 216.) 
Cyclostoma irradians. Shuttl, vss. 
— — Chemn. ed. II. N. 264. t. 37. f. 9. 10. 
Chondropoma irradians Pfr. Consp. N. 436. 
Habitat in insula. Cuba. 
NM dis 
31. €h. Shwuttileworthi E'fr. 489 
T. clause umbilicata, oblonga, truncata, spiraliter confer- 
tim plicata, lineis longitudinalibus obsolete decussata, sericea, 
pallidissime fulvida, faseiis valde interruptis castaneis ornata; 
spira oblonga; anfr. superst. 3 convexiusculi, ultimus basi 
rotundatus; apertura obliqua, angulato-ovalis; perist. duplex: 
internum breve, expansiusculum , externum late patens, con- 
centrice striatum , radiatim plicatum et eastaneo-radiatum , ad 
columellam excisum , lamina alba: fornicata umbilicum prorsus 
claudens. — Opere. normale, nucleo subbasah. — Long. 22, 
diam. 11'/, mill. Ap. intus 8 mill. longa, 6 lata. (Mus. Cuming.) 
Cyclostoma Shuttleworthi Pfr. in Proc. Zool. Soc. 1851. Jul. 
-— — Chemn, ed. II. N. 254. t. 36. f. 7. 8. 
Chondropoma Shuttleworthi Pfr. Consp. N. 437. p. 70. 
Habitat in insula. Cuba. 
32. €h. tenebrosum Yl orelet. 490 
. T. subelause perforata, :ovato-conica, tenuiuscula, lineis 
elevatis longitudinalibus et distantioribus concentricis decus- 
sata, vix nitida, violacea-nigra; spira conica, breviter truncata ; 
sutura impressa, simplex; anfr. superst. 4 convexi, celeriter 
accrescentes; apertura subverticalis, magna, ovalis; perist. 
duplex : internum breviter porrectum, externum dilatatum, 
undique rectangule patens, concentrice striatum, superne an- 
eulatum, inde ad anfractum penultimum fornicato-semiadnatum, 
sinum parvulum eum margine basali formans. — Operc. nor- 
male, fusculum. — Long. 16, diam. 9 mill Ap. 6'/, mill. 
longa, 5!/, lata. (Coll. Nr. 217.) 
Cuclostoma tenebrosum Morelet "Vest. noviss. p. 23. N. 60. *) 
*) T. ovato-conoidea, apice truncata, obtuse umbilicata, «decussata, 
violaceo-nigrieans, lineis obscure fuscis ad basim radiatim conspicuis fascio- 
