ARGENTINE. 



805 





a species of the Mediterranean — M. amethystino-punctatus — is 

 said to be "extremely similar to our recognised species, but 

 with the body comparatively shorter and the head longer;" a 

 character which raises the question whether it may not be the 

 one of which we have given the figure. There are two other 

 species known in the same sea, of which an important character 

 is said to be that the bright dots along the belly are each 

 one placed on a black globular body. 



VOL. IV. 



2 R 



