PLATE LXVIII. 



Sergestes atlanticus, male (p. 389). 

 Lateral view ; enlarged twice. 

 b £ . First antenna of male. 

 &$. First antenna of female ; flageila. 



c. Second antenna ; scaphocerite and terminal joints of peduncle. 



d. Mandible. 



e. First siagnopod. 



f. Second siagnopod 



g. Third siagnopod. 



