*24 



SHELLS. 



Class VI. 



Corneal Lin. Syft. 1243. No. 67 I. Lift. Angl. tab. ii. jig. 2.6* GuaJ- 



126.H0RNY. fieri, tab. iv. D. D. i^a*. S«£c. 2I7Q. 



Sn. with four rounded fpires. Umbilicated ; of 

 a horny appearance. 



Found in cull deep riyers, and in ponds. The 

 largeft of the BritiJIo depreffed fpecies. 



Tab. lxxxiii. 



** Ventricofe. 



Vufefcetts. Ccchlea dilute rufefcens, aut fabalbida, finu ad umbilicuin 



127. Mot- exiguo, circinato. Lift. Angh tab. ii. fig. 12. 



TLED. 



Sn. with four fpires, and minutely umbilicated ; 

 the exterior fpire fub-caririate4. Of a pale browniih 

 red mottled with white. 



Inhabits woods. 



T&&. lxxxv. fig. 127, 



Tomatia. Porcatia Dicfccr. lib. ii. c. 9. p. 30$. Gefner. Aq. 655. 



j 28. Exo- Lin. Syft. 1244. No, byj. Lift. Angl. tab. ii. fig. 1. Faun. 



tic. Suec. No. 2183. 



S>j. with five fpires moil remarkably ventricofe. 

 Slightly umbilicated. Fafciated with a lighter and 

 deeper brown. 



9 Inhabits 



