CHONDROPOMA. 



Plate V. 



Species 32. (Mus. Cuming.) 



Chondropoma diaphanum. Chond. testa, compresse 

 umbUicutd, oblongo-turritd, Candida, anfractibus con- 

 vexis, subangnsiui, pidclierrime reticidatim filo-striath, 

 ad suturas promiscue crenulalis ; aperiurd oblique cii'- 

 cnlari, dissolutd, siibfimbriaid. 



The diaphanous Chondkopoma. Sliell compressly 

 umbilicated, oblong-turreted, white, whorls convex, 

 rather narrow, beautifully reticulately thread-striated, 

 promiscuously crenulated at the sutiu'es ; aperture 

 oliliquely circular, detached, slightly fimbriated. 



Cyclodoma diaphanum, PfeifFer, Pro. Zool. Soc. 1851. 

 Chondropoma diaphanum, Pfeifl'er. 



Hab. ? 



A pure white Scnlaria-\i\e. shell, exquisitely reticulately 

 sculptured with thread-strise. 



Species 33. (Mus. Cuming.) 



Chondropoma Delateeanum. Chond. testd compresse 

 uinbiUcatd, snbanijuste turritd, fulvd, purpureo-cas- 

 taneo strigatd et fasciatd, anfractibus tnodiee convexis, 

 dense reticulatim filo-striatis, ad suturas conspicue 

 crenulatis ; aperturd parvd, oblique circulari, lahro 

 fimhriato, radiato. 



Delatre's Chondropoma. Shell compressly umbiU- 

 cated, rather narrowly turreted, fulvous, streaked 

 and banded with purple-chestnut, whorls moderately 

 convex, closely reticulately thread-striated, conspicu- 

 ously crenulated at the sutm-es ; apertiu-e small, ob- 

 liquely circular, lip iimbriated, rayed. 



Cychstoma Belatreanum, D'Orbigny, MoU. Cub. p. 262. 

 Chondropoma Delatreanum, Pfeitfer. 



Hab. Cuba. 



A rather narrowly turreted shell, neatly reticulately 

 sculptured and conspicuously cross-banded. 



Species 34. (Mus. Cuming.) 



Chondropoma Petitiakum. Chond. testa compresse 

 umbilicald, awjuste turritd, sericeo-fulvd, palli.de rufo- 

 fusco leniigino.sd, anfractibus convexis, dense longilu- 

 dinaliter ^lo-striatis, striis hie illic partim opaco- 



alhis ; aperturd parvd, oblique circulari, lahro fim- 

 briato, conspicue radiato. 



Petit's Chondropoma. Shell compressly umbilicated, 

 narrowly tmTeted, silky-fulvous, freckled with pale 

 red-brown, whorls convex, densely longituilinally 

 thread-striated, strife here and tliere partially opake- 

 white ; aperture small, obliquely circular, lip fimbri- 

 ated, conspicuously rayed. 



Ci/clostoma PeLitianum, PfeifFer, Zeitschr. fiir JIalac. 

 18.50, p. 78. 

 Chondropoma Petitianum, PfeifFer. 



Hab. Island of Haiti ; Salle. 



A bright transparent silky fidvous shell, freckled with 

 red-brown, in which the longitudinal thread-striee have a 

 partially opake-white aspect, as seen in some of the 

 Clausilice. 



Species 35. (Mus. Cuming.) 



Chondropoma Pfeifferianum. Chond. testa modici 

 umbilicatd, oblongo-turritd, sordide albidd, rufo-fusco 

 inter liras strigatd, anfractibus declivi-convexis, undique 

 spiraliter filo-liratis, versus apicem minute oblique 

 striatis ; aperturd oblique ovatd, superne carinatd, 

 lahro vix rejiexo. 



Pfeiffer's Chondropoma. Shell moderately umbili- 

 cated, oblong tuiTeted, dull white, streaked between 

 the ridges with red-brown, whorls slopingly convex, 

 spirally thread-iidged tb-oughout, minutely obliquely 

 striated towards the apex ; aperture obliquely ovate, 

 keeled at the upper part, lip scarcely reflected. 



Cyclostoma Pfeifferianum, Poey, Mem. p. 4ly. 

 Chondropoma Pfeifferianum, Pfeifl'er. 



Hab. Cuba. 



The longitudinal stria; of this species, which are some- 

 what crowded towards the apex, do not cross the spiral 

 ridges, but appear only in the interstices. 



Species 36. (Fig. a, b, Mus. Cuming.) 



Chondropoma Cumanense. Chond. testd angnsQ umbi- 

 licatd, oblongo-turrild, pellucido-fulvd, castuneo inter- 

 rupte strigatd et fasciatd, anfractibus declivi-convexis, 

 longitudinaliter dense filo-liratis ; aperturd oblique cir- 

 culari, parvd, labro vix reflexo. 



Januarv, 1863. 



