CRUSTACEAN LARVAE 



181 



Fig. i 20. — Nauplius 

 Larva of a Barn- 

 acle. (After Claus.) 



Fig. 121. — Nauplius Fig. 122. — Zoea 

 Larva of Pe nm u s . Larva of Pen^eu s . 

 (After Claus.) (After Claus.) 



Fig. 123. — Zoea of Callian- 

 assa. (After Claus.) 



Fig. 



124. — Zoea of 

 (After Claus.) 



Thia 



Fig. 125. — Early Fig. 126. — Late 



Larva of a Larva of a 



Squilla. (After Squilla. (After 



Claus.) Brooks.) 



Fig. 127. — Megalopa 

 Larva of a Crab. 

 (After Claus.) 



