CHONDEOPOMA.— Plate VIII. 



Cyclosloma quaternattim, Lamarck, Anim. sans vert. 



vol. viii. p. 358. 



Cistula qitateruata, Gray. 



Tudora quaternata, Pfeiifer. 

 Hab. ? 



Allied to the preceding species in typical form. 



Species 61. (Mus. Cuming.) 



Cllo.NDROPOMA Hjalmeksoni. Chond. testa obtuse cy- 

 lindraced, fulvescente, obscure rnfo-fmictatd, anfrac- 

 tibus convexis, decussaiim obsolete liratis et malleatis ; 

 aperturd oblique ovatd, labro stibexpanso. 



Hjalmeeson's Chondropoma. Shell obtusely cylin- 

 drical, fulvous, faintly red-dotted, whorls convex, 

 decussately obsoletely ridged and malleated. aperture 

 obliquely ovate, Up a little expanded. 



Pfeiffer, MS. in Mus. Cuming. 



Hab. ? 



A peculiar Pupina-]i\ie. shell, dull in colour, with the 

 surface obsoletely decussately ridged and malleated. 



The fair Chondropoma. Shell with a nearly-closed 

 umbilicus, ovately turreted, brownish-violet, obscurely 

 streaked with red dots, whorls convex, longitudinally 

 densely rib-striated, scabrous towards the apex, aper- 

 ture obliquely ovate, auriculately fimbriated. 



Pfeiffer, Pro. Zool. Soc. 1852. 



Hab. Island of Haiti ; Salle. 



This and the three preceding species partake in nearly 

 equal proportion of the characters of Chondropoma, Cis- 

 tula, and Tudora, and might be referred to either genus. 



Species 63. (Mus. Cuming.) 



Chondropoma blandum. Chond. testa subclaudente- 

 umbilicatd, ovato-turritd, fusco-violaced, puiictis riijis 

 obscure strigatd, anfractibus convexis, longitudinaliter 

 dense costulato-striatis, versus apicem scabrosis ; aper- 

 turd oblique ovatd, auriculato-Jimbriatd. 



Species 63. (Mus. Cuming.) 



Chondropoma papyraceum. Chond. testa compresse 

 umbilicatd, ovato-turritd, tenuiculd, pallide fused, cas- 

 taneo punctata et undatd, anfractibus convexis, longi- 

 tudinaliter dense flo-striatis, ad suturas crenulatis ; 

 aperturd oblique ovatd, labro e.tpan.m, rejlexo. 



The paper Chondropoma. Shell compressly umbilicated, 

 ovately tuiTeted, rather thin, light fuscous, dotted and 

 waved with chestnut, whorls convex, longitudinally 

 densely thread-striated, crenulated at the sutures, aper- 

 ture obliquely ovate, lip expandeclly reflected. 



Cyclosloma papyraceum, C. B. Adams, Contr. no. 6. p. 92. 

 Chondropoma papyraceum, Pfeiffer. 

 Tudora papyracea, Pfeiffer. 



Hab. Jamaica. 



A very elaborately thread-striated shell, rather more 

 inflated in the last whorl than usual. 



