Class VI. MUREX, ROCK-SHELL. 28! 



Lin. Tr. viii. 144. Mont. Test. Br. 268. t. 9. 6. septan- 



/> 5 G.ULARIS. 



* M. with an oblong shell, and seven longitudinal 

 ribs, which reach the whole length, but little 

 swelling ; length five eighths of an inch. 

 Falmouth and Weymouth. 



Lin. Tr. viii'. 144. Act. Nidr. iv. t. 16. f. 26. 7. costatus. 



Mont. Test. Br. 265. rihbcd - 



M. with an oblong shell of six spires, neatly 

 ribbed; minute. 



Anglesey. 



Inhabits also Norxvay. Tab. Ixxxii. fig. 2. 



Lin. Tr. viii. 144. M. acuminatus. Br.Zool. iv. 8. turri- 



Mont. Test. Br. 262. t. Q. 125. cula. 



/■I- 



* M. with a shell tapering to a fine point, striated 

 across, seven volutions ribbed, angular; length 

 three fourths of an inch ; breadth one fourth of 

 an inch; inhabits the sea. 



Kent, Devonshire, and south Wales. 



Lin. Tr. viii. 145. Mont. Test. Br. 263. 9. rufus. 



* M. with a shell tapering to a point ; six volu- 

 tions, with fifteen or sixteen ribs transversely 



