— 148 — 



des côtes spirales fort saillantes et bien moins écar- 

 tées. 



TIPHOBIA BOURGUIGNATI 



Tiphobia Bourguignati, Joubert in Litt. 



Testa pyruliformi, supra depressa, opaca, solida, 

 relative ponderosa, parum nitida, luteo-albescente ac 

 eleganter transverse striata (stria? undulatre, ad aper- 

 turam validiores, sat rustic.e, ac costulis spiralibus 

 ininutis pernumerosisqiie interrupta3) et in interval- 

 lis striarum et costularum notabiliter malleata; — • 

 spira parum producta, depressa, quasi compressa, bre- 

 viter gradata, ad summum obtusa (apex minutus, lœvis 

 ac nitidus) ; — anIVactibus 5-G regulariter crescenti- 

 bus. acutc carinatis (carina supera, candida, lirato- 

 prominula. 10-17 spinis, ad initium tuberculos simu- 

 lantibus, dcin magis magisque validioribus ac denti- 

 bus trigono-spinuliformibus, parum productis [long. 

 max. 5 millim ], leviter ascendentibus et prope aper- 

 turam irregulariter sparsis, eleganter armata), supra 

 circa suturam planatis, infra carinam convexis, — 

 ultimo maximo, fere 3/'i altitudinis .Tquante, supernc 

 planato, infra carinam convexo-ventroso, ad basin 

 in rostrum contortum, ad sinistram versum, acumi- 

 nato; — apertura verticali, lunata, irregulariter py- 

 riformi, superne rectiuscula, externe convexa, in- 

 terne ad columellam curvata ac inferne in rostrum 

 late canaliferum sat prolongata ; columella crassa, 

 robusta, conforta, ad sinistram conversa ; margine 



