( 48 ) (felix, Fer.) 
44. Cocntopina. Fer. 
Cravusinia. Drap. Vou- 
yutus. Ocken. 
Cylindricalorfusiform; | Columella solid, often A pedunculated elas- 
whorls equal, numerous, with plates. lic operculum, 
narrow; mouth generally 
with eleyated plates, and 
always wth one or two 
gutters. 
a Pupoides. Mouth without teeth or plates; peristoma not continuous. 
b { Tracheloides. i] 
Cyclostoma, Zam. § 
| Pad Ba, \ Mouth without plates. Pl. 8, fig. 29. 
d Clausilia, Drap. Mouth with plates. Pl. 6, fig. 36. 
45. Vertico. Muller. 
Cylindrical, very spi- Peristomaoften sinuous 
ral ; volute increasing and reflected. 
gradually; mouth narrow, 
short in the direction of 
the axis, often dentated. 
Peristoma continuous, Pl. 8, fig. 31. 
a Mouth not dentated. PI. 8, fig. 34. 
6 Mouth dentated. PI. 8, fig. 35, 36. 
46. Partuta. Fer. 
Oval, pointed ; spire Columellar side callous 
conical ; last whorl gib- at base. 
bous and longer than all 
the others together ; mouth 
short in the direction of 
the axis, sometimes den- 
tated or with elevated 
plates; peristoma general- 
‘ly much reflected. Pl. 8, 
ig. 30. 
