50 CONCHOLOGIA CESERICA. 
Genus SUCCINEA, DRAPARNAND, ISOI. 
Animal of Succinea, 

Generic characters as above. 
S. ovalis, GouLp (non Say), Invert., Mass., 1841. 
Shell ovate-conic, very thin, shining, pale amber; 
S, ovalis. spire acute ; whorls 3, the last elon- Jaw of S. ovalis, 
feaeie gated ; aperture produced, broadly rier 
rounded below, more than three- 
fourths of the total length; lingual ) 
membrane with 80 rows of 40-1-40 



teeth, each; buccal plate strongly / | I)) 
: / |. J ly 
arcuate, with three small folds on the cut- », yo ; 
tingedge.. “T1212, Wai6; mill. os Y 
Lingual Dentition of S. ovalis.—(Morse. | 
Fig. 88, 

Station, on plants, and among wet chips, in autumn. 
Chester County ; frequent. 
S. obliqua, Say, Long’s Exped., II., 1824. 
Se obliqua. i ; —_ : 
(B. & BJ Shell ovate, thin, shining, striate; whorls 
Fig, 89. 5 : 
3, last whorl ovate; aperture oval, both sides 
equally curved; nearly three-fourths of the 
total length; yellowish green. H. 20-25, W. 
12-13, mill. 
Station, on plants growing in and near 

water. Chester County; frequent. 
