66 



nulato-expansiim, radialo-costatiim, supeme angulatim re- 

 llexum, anfraciui penultimo longe adnatum, perforaiionem 

 claudens, margine sinistro subauriculato, libero. — Long, 

 ITVaj diam. 8 mill. Ap. 5 mill. longa, 4 lata. 



55. C. pleurophorum Pfr. (383.) — T. umbilicata, 

 globoso-turbinata, tenuis, longitudinaliter conforte striata 

 et costulis filaribus, prominentioribus sculpta, diaphana, 

 parum nitida, albido-fulvescens; spira turbinata, apice 

 acutiuscula, cornea; sutura costis denticulata; anfr. 5 con- 

 vexi , ultimus subteres, antice breviter solutus; umbilicus 

 mediocris, profundus, angulo cariniformi cinctos; apertura 

 subverticalis, ovato-subcircularis; perist. continuum, sim- 

 plex, rectum, margine columellari expansiusculo. — Diam. 

 maj. 11, min. GVs, alt. OVs mill. 



56. C. pallidum Pfr. (388.) — T. perforala, ovato- 

 turrita, truncata, tcnuis, lineis elevatis spiralibus & con- 

 fertissimis longitudinalibus (hic illic irregularibus, sub- 

 confluentibus) minute decussata, pallide cornea, lineolis 

 rufis interruptis obsolete picta; sutura profunda, subsim- 

 plex; anfr. sup. 4 convexi , ultimus rotundatus; apertura 

 verticalis, ovali-circularis; perist. duplex: internum album, 

 porrectum , expansiusculum , externum dilatatum, horizon- 

 taliter patens , concentrice striatum, anfractui penultimo 

 breviter adnatum, margine sinistro angustiore. — Long. 

 ITVjj diam. SV^ mill. Ap. 5 mill. longa, 4^2 lata. 



57. C. Kusteri Pfr. (389.) — T. perforata , ovato- 

 turrita, truncata, tenuis, sulcis spiralibus & costulis longitu- 

 dinalibus coufertis regulariter granulato-reticulata, sub- 

 aspera, vix nitens, diaphana, fusco-cornea , lineis obsole- 

 tis rufis interruptis picta; spira convexo-turrita, late trun- 

 cata; sutura profunda, simplex; anfr. sup. 4 convexi, 

 ullimus angustior, rotundatus; apertura subverticalis, sub- 

 circularis; perist. duplex: internum breviter expansum, 

 adnatum, externum campanulato- expansun», concentrice 

 striatum, antice concavum, rufo-radialum, superne angu- 



