apprfura verticalis, subcircularis; perist. liberum, album, 

 duplex: internum coniinuum, vix porrectuni, exteinum 

 dilatatum ; horizonlaliter ex|)ansum, suprij perloralionem 

 excisum. — Long. 24, diam. 8 mill. Ap. 5'/a mill. longa. 



31. C. Borni Pfr. (220.) — T. umbilicata, oblongo 

 turrita, solida, spiraliter confertim striata , lineis longitu- 

 dinalibus distantioribus granulato-decussala, nitida , luteo- 

 albida, strigis angustis fulguratis rufis ornata; spira con- 

 vexo • turrita , breviter truncata; sutura subcanaliculata, 

 crenulata; anfr. superst. 4Va perconvexi, ultimus teres; 

 umbilicus infundibuliformis, subpervius; apertura parum 

 obbqua, oblongo-rotundata, parvula, intus alba ; perist. 

 duplicatum: internum expansum, continuum, incumbens 

 exteriium anlractui penullimo breviter adnatum, lateribus 

 perdilatatum, concentiice striatum, — Long. 36, diam. 

 19 mill. Ap. intus 12 mill. longa, QV^ lata. 



32. C. majusculum Morelet mss. (223.) — T. 

 subperforata, oblonga, truncata, soHda, lineis elevatis 

 longitudinalibus & transversis minute reticulata, violaceo. 

 fusca; sutura eleganter albo-denticulata; anfr. (superst.) 

 3 convexi, ultimus rotundatus; aperlura subverticalis, fere. 

 circularis, intus livida; perist. incrassatum, coniinuum, 

 breviter adnatum, superne angulatim ascendens, rnargine 

 dextro superne recedente, repando, infra medium antror- 

 sum producto, columellari dilatato , patenie. — Long. 26, 

 diam. 15 mill. Ap. intus 9 mill. longa, 8V2 lala. 



33. C. mite Pfr. (235.) T. umbilicata, lurbinato- 

 globosa , breviter truncata, liris obtusis spiralibus muniia, 

 costulis membranaceis confertissirnis decussata, unicolor 

 corneo-albida; spira convexa , brevis ; anfr sup. 3Va con- 

 vexi, ullimus teres, circa umhilicum rnediocrem, pervium 

 distinclius spiraliter liratus; apertura verticalis, circularis • 

 perist. duplex: internum vix porrectum, externum undique 

 aequaliter dilaiatum, paiens, obsolete undulatum, concen- 



