CRUSTACEAN LARVAE 



181 



FIG. 1 20. NAUPLIUS 

 LARVA OF A BARN- 

 ACLE. (AFTER CLAUS.) 



FIG. 121. NAUPLIUS 

 LARVA OF PEN^US. 

 (AFTER CLAUS.) 



FIG. 122. ZoiiA 

 LARVA OF PEN^EUS. 

 (AFTER CLAUS.) 



FIG. 123. ZOEA OF CALLIAN- FIG. 124. ZOEA OF THIA 

 ASSA. (AFTER CLAUS.) (AFTER CLAUS.) 



FIG. 125. EARLY FIG. 126. LATE FIG. 127. MEGALOPA 



LARVA OF A LARVA OF A LARVA OF A CRAB. 



SQUILLA. (AFTER SQUILLA. (AFTER (AFTER CLAUS.) 



CLAUS.) BROOKS.) 



