Pig. 4. — Niphargus chilkensis sp. nov. 



a. Side view of whole 



animal. 



b. Antennae. 



c. Upper lip. 



d. Mandible. 



e. I,ower lip. 

 /. First maxilla. 

 g. Second maxilla. 

 h. Maxilliped. 

 k. First gnathopod. 



I. Second gnathopod. 

 m. First peraeopod. 

 n. Third peraeopod. 

 0. Fourth peraeopod. 

 p. Fifth peraeopod. 



q. First uropod. 



r. Second uropod. 



s. Third uropod and telson 



(side view). 

 t. Telson. 



