62 



perist. duplex: internum continuum, obtuse prominens, ex- 

 ternum dilatatum, expanso -inflexum, latere sinisuo an- 

 guslissimum. — Diam maj. 18, min. l^Vj, alt. 7 — 8 mill. 



41. C. unicolor Pfr. (289.) — T. umhilicata, glo- 

 boso-conica, solida, longitudinaliter striatula, spiraliter 

 confertim sulcata, opaca, albida vel fulvido-stramima ; 

 spira conica , apice obtusiuscula; anfr. 6 convexiusculi, 

 ultimus superne et medio acute carinaius: carina tertia 

 validissima circa umbilicum angustum, infundibuliformem, 

 intus profunde spiralitcr sulcatum; apertura parum obliqua, 

 angulato-circularis; perist. simplex, marginibus callo lu- 

 natim exciso junctis, dextro expansiusculo, sinistro medio 

 angulatim incrassato. — Diam. maj. 28, min. 22, alt. 20 mill. 



42. C. BarclayanumPfr. (292.) — T. obtecte per- 

 forata , globoso-conica, soiida, longitudinaliter confertim 

 striatula & carinis multis acute elevatis munita, viohis- 

 centi-fusca, strigis saturatioribus & pallidioribus varir- 

 gata; spira conica, apice obtusa (saepe truncatula); anfr. 

 5 parum convexi, ultimus carinis 3 validioribus, promi- 

 nentioribus munitus: maxima mediana, secunda basali, 

 tertia in parte supera; apertura fere verticalis, subcircularis, 

 intus livido-sanguinea; perist sanguineum, subincrassatum. 

 expansum, ad anfractum penuliimum lunatim emarginatun»^ 

 margine dextro carinis crenulato, columellari fornicato-re- 

 flexo, perforationem fere claudente. - l.ong 29, diam. 

 23 mill. Ap. intus 13 mill. diam. 



43. C. Kraussianum Pfr. (297.) - T. umbilicata, 

 globoso-conica, solidula, striatula, liris cariniformibus 

 permultis, alternis minoribus sculpta , opaca , livido cin«'- 

 rea, obsolete subfasciata; spira lurbinata, acutiuscula; 

 anfr. 5 convcxi, ultimus peripheria distinctius carinatusj 

 basi parum convexus; umbilicus mediocris, pervius; aper. 

 tura parum obliqua , intus fulvo cinerea; perist. album, 

 tenue, undique expansum, ad anfractum penultimum bre- 

 titer interruptum. — Diam. maj. 14Va? min. 12. ali. I2niill. 



