Class VI. ECHINUS. iSd 



Miirices, Purpura. Turbinated shells, whose 

 species I cannot very well determine, there be- 

 ing more than one of each in the Italian seas. 



Echinus spatagus. Lin. Syst. Ech. cordatus. Br. Zool, 2. Spata- 



llOi. Gm. Lin. 31Q\). List. iv. 6q. 2^; 



Uval. 

 App. tab.'i.fg. 13. 



EcH. of an oval shape, gibbous at one end, 

 and marked with a deep sulcus at the other ; 

 covered with slender spines resembling bristles. 

 Shell most remarkably fragile. 



Length, two inches. Tab. xxxvi. Jig. 2. 



Gm. Lin. 3ig7' Ech. lacunosus. £r. Zoo/, iv. ^. 3. Purpu- 



REUS. 



EcH. of a cordated depressed form; on the 

 top, of a purple color, marked with a quadrefoil, 

 and the spaces between tuberculated in waved 

 rows ; the lower sides studded ; and divided by 

 two smooth spaces. 



Length, four inches. When cloathed, is co- 

 vered with short thickset bristles mixed with 

 very long ones. 



Weymouth. From the Portland cabinet. 

 Tab. xxxvii. 



Doctor Borlase gives a figure of an Echinus, 

 found in Mount's Bay, that resembles in shape 



Purple. 



