CHONDKOPOMA.— Plate V. 



The Cumana Chondropoma. Shell narrowly umbili- 

 eated, oblong-turreted, transparent fulvous, inter- 

 ruptedly streaked and banded with chestnut, whorls 

 slopingly convex, longitudinally densely thread- 

 ridged ; apertui-e obliquely circular, small, lip scarcely 

 reflected. 

 Cyclostoma Cumanense, Pfeiffer, Pro. Zool. Sec. 1851. 



Chondropoma Cuwaneiise, Pfeiffer. 

 Hab. Cumana, Venezuela ; Dyson. 



An extremely pretty species, of bright diaphanous ful- 

 vous substance, richly stained with inteiTupted bands and 

 streaks of chestnut. 



Fig. 37. (Mus. Cuming.) 



The shell here figured proves to be a variety, more dis- 

 tinctly colom-ed, of C Poeyanum, represented at Plate III. 

 Fig. 15. 



Species 38. (Fig. a, h, Mus. Cuming.) 



Chondropoma dentatum. Chond. testa compresse urn- 

 bilicatd,fulvd, maculis ritfo-fuscis parvis equidistanti- 

 bus, tessellatd, anfractibus convexis, dense granoso-reti- 

 culatis, ad suturas dentato-crenatis ; aperturd parvd, 

 oblique chxulari, labro Jimbriato-rejiexo, radiato. 



The toothed Chondkopojia. Shell compressly umbi- 

 licated, fulvous, tessellated with smaU equidistant 

 red-brown spots, whorls convex, densely granosely 

 reticulated, dentately crenated at the sutures ; aper- 



ture small, obliquely circular, lip fimbriately reflected, 



rayed. 

 Cyclostoma dentatum, Say, Philad. Jomni. vol. v. p. 125. 



Cyclostoma lineolatum, Anton. 



Cyclostoma Auberianum, D'Orbigny. 



Cyclostoma lunulatum, Morch. 



Chondropoma dentatum, Pfeift'er. 

 Hab. Cub^ and Florida, United States. 



The sutural crenulations of this species are unusually 

 prominent, having the appearance of teeth. 



Species 39. (Mus. Cuming.) 



Chondropoma rufo-pictum. Chond. testa vix umbili- 

 catd, ovdto-conicd, subventricosd, fulvn, rufo-castaneo 

 Uneari-fasciatd, anfractibus declivi-convexis, longitudi- 

 naliter plicato-striatis, striis subdistantibus, irregula- 

 ribus ; aperturd oblique ovatd, lubro parum reflexo. 



The ked-painted Chondropoma. Shell scarcely ura- 

 bilicated, ovately conical, rather ventricose, fulvous, 

 linearly banded with reddish-chestnut, whorls slo- 

 pingly convex, longitudinally plicately striated, striae 

 rather distant, irregular ; apertm-e obliquely ovate, lip 

 b\it little reflected. 



GoNDLACH, MS. in Mus. Cuming. 



Hab. Cuba. 



A rather ventricose species, in which the longitudinal 

 thread-like strise assume the form of promiscuous rather 

 distant folds. 



