XLV. — CœCUM MIRIFICUM

Testa (quoad genus) maxima, valde elongata, cylindrica, crystallina, nitidissima, liris subacute - rotundatis, œæquidistantibus, leviter expressis, longitudinaliter notata, el annulis paucis, validis, acutis, super liras transeuntibus aperturam versus cingulata ; inter lras interstiliis lalis, transversim minulssime strialis ; apertura paululum contracta, subdeclivi, marginata ; septo mamillato, granuloso, prominente, apice obtuso, dextrorso, margine laterali valde conveæo subcrircularti ; opereulo ?..….

Long. 0%,0081. Diam. 0%,0006 — Ow,0007.