C H N D R P I\I A . 



Plate III. 



Species 15. (Mus. Cuming.) 



Chondropoma Poeyanum. Chond. tedd coinpresne um- 

 bilicatd, obloiiyo-cyUndraced, solidiusculd, albidd, an- 

 fractibus convexis, spiraUter confertim filo-liratis ; 

 aperlurd oblique ovatd, superne subcarinatd, labro pa- 

 rum, refexo. 



Poey's Chondropoma. Shell compressly umbilicated, 

 oblong cylindrical, rather solid, whitish, whorls con- 

 vex, spu'ally closely thread-ridged ; aperture obliquely 

 ovate, slightly keeled at the upper part, lip but little 

 reflected. 



Cyclostoma Poojavum, D'Orbigny, MoU. Cub. p. 2(j4-. pi. 



32. f. 24. to 27. 



Chondropoma Poeyanum, Pfeift'er. 

 Ilab. Cuba. 



A simple iincoloured corded shell, supposed at one time 

 to be the Turbo dongatus of Wood. 



Species 11!. (Fig. a, b, Mus. Cuming.) 



ChOiVdropoma Newcombianum. Chond. tesld com- 

 presse umbilicatd, subacuminato-turritd, fulvescente, 

 pmpureo-cnstaneo varie punctato-famatd et lentigi- 

 nosd,- anfractibns rotundatls, lonyiludinaUler dense 

 filo-striatis et hie illic plicatis, plicia ad suiuras au- 

 riculatis ; aperlurd parvd, fere circnlari, dimolutd, 

 superne carinald, labro simplici. 



Newcomu's Chondropoma. Shell compressly umbili- 

 cated, rather acurainately turreted, fulvous, variously 

 dot-banded and freckled with purple chestnut, whorls 

 rounded, longitudinally densely thread-striated, and 

 here and there plicated, plaits auriculated at the 

 sutures; aperture small, nearly circular, detached, 

 keeled at the up])er part, lip simple. 



Cyclostoma Newcombianum, Adams. 

 Cyclostoma Troscheli, Pfeiifei'. 

 Cyclostoma Siciftianum, Newcomb. 

 Chondropoma Newcombianum, Pfeift'er. 



Hab. Island of St. Thomas, West Indies. 



An elegantly-tun-eted prettily-freckled shell, wliich, in 

 addition to the close-set thread-like striie, is sculptured 

 with occasional plaits, which appear as creuules in the 

 sutures. 



Species 17. (Mus. Cuming.) 



Chondropoma jucunduai. Chond. testa compresse um- 

 bilicatd, ovato-turritd, rubicundo-aurantid, tenui, semi- 

 pellucidd, anfractibus rotundatis, striis filiformibm, 

 in suturas hie illic auriculatis, confertim i-eticulafis ; 

 aperlurd oblique ovatd, labro sublate reflexo. 



The pleasant Chondropoma. Shell compressly um- 

 bilicated, ovately turreted, ruddy orange, thin, semi- 

 transparent, whorls rounded, closely reticulated witii 

 thread-like striifi, here and there auriculated in the 

 sutui-es ; aperture obliquely ovate, lip rather bi-oadly 

 reflected. 



Cyclostoma jacundum, Pfeift'er, Pro. Zool. Soc. 18.52, p. 66. 

 IM. ? 



An extremely delicate transparent shell, of a peculiar 

 ruddy orange, closely reticulated throughout. 



Species 18. (Mus. Cuming.) 



Chondropoma hemiotum. Chond. testa compress'!' um- 

 bilicatd, oblonyo-turriid, albidd, fusco minute piinetu- 

 latd, ad basin fasciatd, anfractibus convexis, striis 

 filiform ibus ad suturas auriculatis, confertim decus- 

 satis, qiiaru)H spiralibus fere obsoletis ; aperlurd ob- 

 lique, ovatd, subsolutd, superne carinald, labro subrt- 

 J/e.iV. 



The dotted Chondropoma. Shell compressly umbili- 

 cated, oblong turreted, whitish, minutely dotted with 

 brown, banded at the base, whorls convex, closely 

 decussated with thread-like striae, auriculated at the 

 sutures, of which the spiral are nearly obsolete ; 

 aperture obliquely ovate, a little detached, keeled at 

 the upper part, lip slightly reflected. 



Pfeiffek, Pro. Zool. Soc. 1852, p. 143. 



Ilab. Island of Haiti ; SaUe'. 



lu this species, encircled by a chestnut band, which is 

 only seen in the last whori, the spiral striie of the decus- 

 sating sculpture are nearly obsolete. 



Species 19. (Mus. C'uming.) 



CiiONDKOPOMA Blavneri. Choud. testd compres.ie um- 

 bilicatd, ovato-turritd, lenuiculd, violaceo-fuscd, slrigis 

 undulalis fasciisque castaneis obscure pictd, aiifracti- 



Januarv, 18C3. 



