PLATE LXVII. 



Sergestes semiarmis (p. 423). 



Fig. 1. Lateral view ; enlarged eight times. 



„ \i. Second gnathopod ; distal extremity. 



„ \l. Second pereiopod ; chela. 



„ Ira. Third pereiopod ; chela. 



Sergestes semiarmis, var. (p. 424). 



,, 2c. Second antenna ; scaphocerite. 



„ 2k. First pereiopod ; distal extremity. 



„ 2l. Second pereiopod ; chela. 



„ 2n, o. Fourth and fifth pereiopoda. 



„ 2z. Telson. 



Sergestes Iseviventralis (p. 425). 



,, 3. Lateral view ; enlarged thirteen times. 

 „ 3l. Second pereiopod ; chela. 

 „ 3n, o. Fourth and fifth pereiopoda. 



Mastigop>us spiniventralis (p. 379). 



„ 4. Lateral view ; enlarged twelve times. 

 „ 4z. Telson. 



Sergestes spiniventralis (p. 426). 



„ 5a. Ophthalmopod and rostrum. 

 ,, 5l. Second pereiopod ; chela. 

 ,, 5v. Sixth pleopod ; outer branch. 



Sergestes spiniventralis, 1 var. 



., 6a. Ophthalmopod ; b, first antenna ; c, second antenna. 

 „ Gn, o. Fourth and fifth pereiopoda. 



1 Habitat— West Pacific. 



