TEETH OF GILTEEAD. 



CO 



tion of which is now given to the reader ? The two 

 foremost teeth, it will be observed, are ada^oted for 

 nipping purposes, and by means of these he is enabled 



GiLTHEAD {S2Jarus aurata). 



either to tear off from, or else crack when still adherent 

 to the rocks, the hard shells upon which it subsists. In 

 order that these shells should be tritiu*atedand ground up, 

 we find at the posterior portion of the jaw four stud-like 



TEETH OF THE GILTHEAD. 



