72 



obtecte umbilicata, conoideo-globosa, solidula, s(riatula 9 

 parum nitens, virenti -cornea- spira parvula, conoidea^ 

 acutiuscula; anfr. 6 convexiusculi, ultimus inflalus, antice 

 subascendens, pone columellam profunde excavatus, cal- 

 losus; apertura subverticalis, angulato-ovalis; columella 

 subverticalis, retrorsum in dentem acutum desinens; perist. 

 incrassatum, album, undique late expansum, reflexiusculum. 

 Diam. maj. 17V 2 > min. 13, alt. 11 mill. *<1*^ 



75. Cyclost. patera Pfr. (468.) T. latissime 

 umbilicata, solidula, discoidea, liris latis granulatis, inter- 

 positis linearibus sculpta, epidermide olivaceo - fusca ob- 

 ducta; spira plana; sutura subcanaliculata; anfr. 4 r /2 pla- 

 nulati, ultimus medio carina filiformi munitus, basi con- 

 vexus, circa umbilicum pateraeformem subangulatus; 

 apertura verticalis, subangulato-rotundata, perist. simplex, 

 rectum, marginibus approximatis. Diam. maj. 10, min. 

 8, alt 2 l / 2 mill. 



76. C. rostra turn Pfr. (399.) - T. perforata, 

 ovato - turrita , truncata, tenuis, longitudinaliter confertim 

 filoso - plicata (plicis singulis irregulariter positis , validio- 

 ribus, interstitiis subtiliter decussatis), corneo-albida, li- 

 neolis longitudinalibus undulatis fuscis picta; sutura levis, 

 denticulata; anfr. sup. 4V parum convexi, ultimus antice 

 brevitersolutus; apertura verticalis, angulato-ovalis; perist, 

 duplex: internum continuum, expansiusculum , externum 

 dilatatum, juxta anfr. penultimum subexcisum, superne in 

 auriculam recurvatam productum, caeterum rectangule 

 patens. Long. 18, diam. 8' 2 /s mill. Ap. intus 6 mill, 

 longa, 5 lata. 



77. C. euchilum Pfr. (303.) T. umbilicata, tur- 

 binato-subglobosa, solidula, oblique confertim striata, lineis 

 impressis distantioribus obsolete clathratula, parum nitida, 

 albida, violaceo-fusco & fulvo variegata; spira lurbinato- 

 elevata, apice acutiuscula^ anfr. 5 ! /2 convexi, rapide ac- 

 crescentes, ultimus rotundatus, ad suturam subdepressus, 



