290 
CHONDROPOMA §. 4. 5. 
Chondropoma Guadeloupcnse Pfr. in Zeitschr. f. Mai. 1847. p. 124. 
— crcnulatum Pfr. Consp. N. 426. 
Habitat in insula Guadeloupe (Petit). 
478 20. CIu? tliapliaiinm Pfr. 
T. subperforata, oblongo - turrita , truncata, tenuiuscula, 
lineis elevatis spiralibus, confertis, costulisque illas transgre- 
dientibus filaribus confer tiori bus decussata, diaphana, unicolor 
albida ; spira elongata ; sutura irregulariter crenata ; anfr . 
superst. 4V 2 convexi, subaequales, ultimus antice solutus, dorso 
carinatus, basi rotundatus, distinctius spiraliter sulcatus ; aper- 
tura verticalis, angulato-ovalis ; perist. subsimplex, continuum, 
undique breviter expansum. — Operc. ? — Long. 12, diam. 
5 mill. Ap. intus 3'/ 2 mill- longa, 3 lata. (Mus. Cuming.) 
Cyclostoma diaphanum Pfr. in Proc. Zool. Soc. 1851. Jul. 
— — Chemn. ed. II. N. 312. t. 40. f. 36. 37. 
Chondropoma? diaphanum Pfr. Consp. N. 427. p. 69. 
Habitat . . .? 
§• 5. 
479 21. CIi* lilaiiduni Pfr* 
T. subperforata , ovato - turrita , truncata, solidula, lineis 
elevatis spiralibus, confertioribusque longitudinalibus illas trans- 
gredientibus sculpta , diaphana, nitidula, fusco - violacea vel 
albida, strigis et lineolis rufis irregulariter picta; sutura sub- 
simplex , albida ; anfr. superst. 4 convexi , ultimus rotundatus, 
basi fortius spiraliter striatus ; apertura verticalis, ovalis ; perist. 
album, duplex : internum breviter porrectum, externum undique 
horizontaliter et breviter patens, minute undulatuin, superne 
angulato-dilatatum , ad anfr. penultimum breviter excisum. — 
Operc. Ch . picti. — Long. 18, diam. 9 [ / 2 mill. Ap. 7 mill, 
longa, 5 lata. (Mus. Cuming.) 
Cyclostoma blandum (Chondropoma) Pfr. in Proc. Zool. Soc. 9 Mart. 
1852. 
— — Chemn. ed. II. N. 391. t. 47. f. 13. 14. 
Habitat in insula Haiti (Salle). 
480 22 . CIi.? jucumltiEii Pfr. 
T. perforata, ovato-turrita, tenuis, lineis spiralibus et lon- 
gitudinalibus chordaeformibus anguste reticulata, subscabra, 
