152 buliminjE. 



Genus ODONTOSTOMUS, Beck. 



Shell rimately perforate, cylindrically fusiform; spire 

 elongate, turreted, last whorl shorter than the spire, com- 

 pressed at the hase, often externally scrohiculate ; aperture 

 oblong, contracted, with from 36 teeth, apertural paries 

 furnished with an intrant lamella; peristome expanded, 

 reflexed, the margins approximate, joined by a thin callus. 



Syn. Clausilia, Spix, not Lam. Cyclodontina, Beck. 

 Macrodontes, Swains. 



Ex. O. Pantagruelinus, Moricand, pi. 75, fig. 3. Shell, 

 0. Gargantua, Ferussac, fig. 3, a. 



The species of this group inhabit the forests of Brazil, 

 especially those of Bahia. 



Species of Odontostomus. 



Bahicola, Morch. leucotrema, Beck. 



Bahiensis, Moric. occultus, Beeve. 



Charpentieri, Gratel. Pantagruelinus, Moric. 



costatus, Pfeiff. punctatissimus, Less. 



dsedaleus, Besh. pupoides, Spix. 



exesus, Spix. quinquedentatus, Muhlf. 



fuscagula, Lea. rbodostoma, B'Orb. 



Gargantua, Ferns. ringens, Bkr. 



Grayanus, Pfeiff. sectilabris, Pfeiff. 



Hilarii, Gray. sexdentatus, Spix. 



Janeirensis, Sow. vermiculatus, Mke. 



juvencus, Morch. Wagneri, Pfeiff. 



Genus TOMIGERUS, Spix. 



Shell horizontally umbilicated, globosely conical, com- 

 pressed, scalariform ; aperture vertical, ringent. 



