Class VI. TROCHUS. TOP. ^ 289 



Lin. Tr. vlii. 152. Br. 284. 3. lineatus. 



T. cinerarius. Mont. Test, Br. Zool. iv. 127. ciuereuus. 



Tr. with a perforated base ; spires a little pro- 

 minent. Of a cinereous color, striped obliquely. 

 Size of a pea. . 



Anglesey. 



List. Conch, tah. 641. Jig. 31, Lin. Tr. vlii. 153. 4. umbili- 



32. Mo7it. Test. Br. 28(5. catus. 



List. Angl. tab. in.Jig. 15. i. umbuicaris. Br. Zool. iv. 



126. 



Tr. with a perforated base, and of a convex 

 conic form ; dirty white waved with purple. 

 Varies much in colors. 



A most common shell on all our shores. 

 Tab. Ixxxiii. Jig. 3. 



Lin. Tr. viii. 153. Mont. Test. Br. 280. /. 10. 5. tumidus. 



/• 4. 



* Tr. with a somewhat conic striated shell, 

 volutions plane, prominent ; minute ; inhabits 

 the sea. 



Devonshu^e coast, adhering to shells. 



VOL. IV. u 



