PLATE CLVIII. 



We should further add, that this species, though observed by Lister, 

 has been overlooked by Linnaeus ; and that from a Ms. note in 

 one of the copies of Lister's work, in the library of Sir Joseph Banks, 

 we find the late Dr. Solander intended to have named it specifically 

 Jusca, had he lived to publish his new arrangement of Conchology. 



