PLATE LXX. 



Sergestes japonicus (p. 387). 



Fig. 1 . Lateral view ; enlarged twice. 



,, la, a. Oplitlialmopocla, and b, b, first pair of antennae ; c, c, scaphocerites in 

 position, dorsal view. 



„ lb. First antenna, 



,, Ih. Second gnathopod. 



„ 2. Branchiae ; seen in natural position. 



Sergestes kroyeri (p. 388). 

 ,, 3. Lateral view ; enlarged twice. 

 ,, 3a. Ophthalmopod in position, with first antenna. 

 „ 4. Branchiae ; in natural position. 



