AN Sn Le 
obliqua, ovata, superne subangulata, ad basin ro- 
tundata, intus albo-margaritacea; — margine ex- 
terno fere recto aut vix arcuatulo ; — columella brevi, 
robusta, crassa, inferne dilatata ; — peristomate con- 
tinuo, leviter quasi soluto, perrobusto, valide incras- 
sato, externe subcrenulato, inferne patulescente; — 
alt. 16, diam. 9 ; alt. ult. anfr. 7 millim. 
Plage de Mlilo. 
PARAMELANIA LIVINGSTONIANA. 
Paramelania Livingstoniana, Giraud, in litt. 
Testa imperforata, oblongo-acuminata, in medio 
sat globosa, subtenui, subopacula, parum nitida, 
uniformiter opalino-olivacea; costis transversis no- 
dulosis ad periphæriam abrupte terminatis ac sulcis 
spiralibus, ad partem inferiorem ultimi continuis, 
eleganter ornata; — spira elongato-acuminata, ad 
summum diaphanum et lævigatum peracuta ; 
fractibus 8 convexiusculis, regulariter crescentibus, 
an - 
superne circa suturam profundam zonula angusta 
planulataque signatis; — ultimo sat magno, dimi- 
diam altitudinis fere æquante, convexo, superne 
recto; — apertura subobliqua, sat ampla, ovata, su- 
perne angulata, ad basin obscure subangulata, intus 
albo-subopalina ; — margine externo leviter sinuoso 
ac ad basin arcuatulo; — columella brevi, subar- 
cuata, mediocriter robusta ; — peristomate externe 
acuto, subcrenulato, intus incrassato, inferne cras- 
siore, patulescente ac quasi effuso, ad columellam 
