Class VI. TURBO. TVREATH-SHELL. SOI 





Solid, umbilicus perforated. 



Lin. Tr. viii. 166. Mont. Test. Br. 308. 24. AURlcu- 



LARIS. 



* T. smooth conic shell ; volutions much round- 

 ed; aperture ear-shaped; length three eighths 

 of an inch, breadth two eighths of an inch ; in- 

 habits the sea. 



Discovered and found by Mr. Montagu at 

 Southampton only ; and there not common. 



Lin. Tr. viii. 167. Mont. Test. Br. 307. id. 25. vinctus. 



Sup. t. 20. f. 3. 



* T. a smooth conic shell ; with six round- 

 ed volutions, and rather obtuse apex; length 

 half an inch ; inhabits the sea. 



Salcombe bay, adhering to algce. " — 



Lin. Tr. viii. 167. Mont. Test. Br. 328. id. 26. quadri- 



Sup. t. 20. /. 7. f ASCIATUS. 



* T. with a smooth subconic shell, the first vo- 

 lution somewhat ridged ; pillars grooved, end- 

 ing in an umbilicus ; length a quarter of an 

 inch ; breadth one eighth of an inch ; found on 

 sea-weeds. 



Falmouth. 



