55 



pfipidf arorescenles, ultinms nd sutiiram laie depressus* 

 iiinbilicus magnus, perspeotivus : apertura obliqua, cir- 

 eularis; perist. continuum, breviter adnatuni, album , un- 

 dique aequaliter expansum, margine sinistro in appendicem 

 linguaeformem, patentem dilatalo. — Diam. maj. 34, min. 

 27, alt. 15 mill. 



17. C. guttaium Pfr. (129.) — T. umbihcata, 

 depressa, solida, glabra , nilida, laete castanea, maculis 

 albis subtriangularibus gutlata; spira vix elevata, apice 

 fusca, submucronataj anfr. ^Va convexiuscUli, celeriler 

 crescentes, ad suturam impressam striatuli; umbilicus la- 

 tiusculus, pervius; apertura parum obliqua, circularis, 

 intus albida; perist. subduplex: internum vix distinguen- 

 dum, externum expansum, superne in linguam brevem, 

 anfractui penultimo adnalam, 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 minoiibus, haud 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 - limbatum, subcontinuum, marginibus ad 

 anfr. penult. callo nitido junctis. — Diam. niaj. 20, min. 

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



19. C. Bourcieri Pfr, (135.) — T. lateumbilicata, or- 

 biculata, conoidea, subtiliter striata & lineis elevatis spi- 

 ralibus, plus minusve confertis sculpta, epidermide fusco- 

 olivacea vestita; spira breviter conoidea, verlice nudo, 

 subpapillato; anfr. 4'/2 — 5 convexi, lente accrescentes, 

 ultimus teres, antice subdescendens; apertura obliqua, 

 subangulato-circularis, inlus margarilacea; perist. simplex, 

 rectum, anfractui penultimo breviter adnatum. Diam, 

 maj. 23 Vj, min, 18, alt. 11 mill. Ap. 11 mill. longa. 



