rapidr aocrescentes . ullimus ad suturam lale depre'ssus; 

 umbilicus magnus, perspectivus; aperture obliqua, cir- 

 oularis: perist. continuum, brevitep adnatum, album, un- 

 dique aequaliter expansum, margine sinistro in appendicem 

 linguaeformem, patentem dilatato. Diam. maj. 34, min. 

 27, alt. 15 mill. 



17. C. guttatum Pfr. (129.) T. umbilicata, 

 depressa, solida, glabra , nitida, laete castanea, maculis 

 albis subtriangularibus guttata; spira vix elevata , apice 

 fusca, submucronata; anfr. 4V 2 convexiusculi, celeriter 

 crescentes, ad suturam impressam striatuli; umbilicus la- 

 tiusculus, pervius; apertura parum obliqua, circular-is, 

 intus albida; perist. subduplex: internum vix distinguen- 

 dum, externum expansum, superne in linguam brevem, 

 anfractui penultimo adnafam, dilatatum. Diam. maj. 

 19, min. 15, alt. 9 mill. Ap. 7 mill, longa. 



18. C. alternans Pfr. (134.) T. umbilicata, 

 conoideo- depressa, tenuiuscula, acute multilirata, liris 

 alternis minoribus, baud nitens, sub epidermide pallide 

 lutescente fugace alba; spira breviter conoideo -elevata, 

 obtusiuscula: sutura subcanaliculata; anfr. 5 convexius- 

 culi, ultimus rotundatus; umbilicus mediocris, conicus: 

 apertura parum obliqua , subcircularis ; perist. simplex, 

 rectum, fusco- limbaturn, subcontinuum, marginibus ad 

 anfr. penult, callo nitido junctis. Diam. maj. 20, min. 

 16, alt. 10 mill. Ap. 9 mill, longa.. 



19. C. Bourcieri Pfr. (135.) T. late umbilicata, or- 

 biculata, conoidea, subtiliter striata & lineis elevatis spi- 

 ralibus, plus minusve confertis sculpta, epidermide fusco- 

 olivacea vestita; spira breviter conoidea, vertice nudo, 

 subpapillato; anfr. 4% 5 convexi, lente accrescentes, 

 ultimus teres, antice subdescendens; apertura obliqua, 

 subangulato-circularis, intus margaritacea; perist. simplex, 

 rectum, anfractui penultimo breviter adnatum. Diam. 

 maj 



