131 



GENUS IX. 



TOmiGERlJS Spix 



Testa horizontaliter rimata, globoso-conica, compressa, 



scarabiformis ; apertura verticalis, ringens ^). 



Tomigerus clausus Spix. 1. 



turbinatus Pfr. 2. 



gibberulus Buitow '^). 



Geographisclie Verbreitung. 



Die Arten dieser Gattung- leben in Brasilien, vornämlich 

 in der Provinz Bahia. 



') Pfeiffer, monogr. I. p. XVIT. 



2) Pfeiffer in Zeitsch. f. Malac. 1849. p. 66. 



GENUS X. 



STREPTAXIS Gray ) 



Testa iimbilicata vel rimato-perforata, irregularis, globoso- 

 vel orbiculato-depressa, basi nitide polita, ventroso-convexa, 

 superne plerumque costulato - striata ; anfractus 6 — 10, ultimi 

 subito aucti, e superum axi recedentes; apertura edentula vel 

 dentata; peristoma expansum, reflexum. 



