trice striatum, superue subangulatum , ad anfr. penult 

 subemarginatum. Diam. maj. 13, min. 10, alt. 9 mill 



34. C. a 1 alum Pfr. (240.) T. umbilicata, conoi- 

 deo-depressa, solidula, oblique confertim et inaequaliter 

 costulata, vix diaphana, albida, fasciis angustis pallidissime 

 cornels variegata j spira brevissime conoidea, acutiusoula; 

 sulura simplex; anfr. 4 modice convexi, ultimus subteres, 

 antice vix descendens, lilaceo-nebulosus; umbilicus latus, 

 apertus; apertura diagonals, subcircularis , intus lilaceo- 

 fuscula; perist. subduplex, latere dextro & basali conna- 

 tum, expansum, externum superne alatim dilatatum, latere 

 sinistro subretiexum. Diam. maj. 16, mjn. 13, alt. 8 

 mill. Ap. intus 6 ! / a mill, longa, 6 lata. 



34 C. so lu turn Richard. (241.) -- T. umbilicata, 

 depressa, longitudinaliter confertim filoso-costata , sericea, 

 diaphana, albida, lineis rufis interruptis ornata; spira pa- 

 rum elevata, mucronata; sutura subcanaliculata, obsolete 

 denticulata; anfr. 5 convexi, ultimus teres, antice descen- 

 dens, solutus, basi in umbilico latissimo spiraliter sulca- 

 tus; apertura obliqua , fere circular-is; perist. duplex: in- 

 ternum continuum, rectum, prominens, externum album, 

 undique rectangule patens, superne dilatatum, ad anfrac. 

 turn penultimum inflexo-adnatum. -- Diam. maj. 13, min. 

 10, alt. 5V mill. Ap. intus 4V 3 mill, longa. 



36. C. pingue Pfr. (252.) T. umbilicata, oblongo- 

 turrita , truncata, solida, liris spiralibus obtusis undulata, 

 striis longitudinalibus confertissimis sculpta, oleoso-micans, 

 cinnamomeo-fusca ; sutura profunda, simplex; anfr. sup 4 

 convexi, regulariteraccrescentes, ultimus rotundatus; apertura 

 subverticalis, fere circularis; perist, album, duplex: intmium 

 expansiusculum, adnatum, externum continuum, horizontaliter 

 expansum, anfractui penultimo brevissime adnatum, superne 

 angulatum. Long. 12V2,diarn. 6 mill. Ap. 3 2 / 3 mill, longa. 



37. C. desciscens Pfr. c256.) T. late umbili- 

 cata, depresso-semiglobosa, superne confertim sulculata, 



