LARV.E AND METAMORPHOSES 



29 



FIG. 14. Larvae of the Crustacean Penceus. Upper left-hand figure, 

 Nauplius; upper right-hand, Protozoea. Lower left-hand figure, Zoea; 

 lower right-hand, Schizopod stage. (After F. MULLER and CLAUS ; 

 much enlarged.) 



and shows the buds of more pairs of limbs. In the next stage, which 

 is called the Zoea (Fig. 14), the paired eyes have become movable, 

 being mounted on long stalks, the carapace projects in front as 



