PLATE VII. 



Pseudocyclops crassiremis. 



Fig. 1. Right anterior antenna of male. 

 2. Left anterior antenna of male. 



Idas clavipes. 



3. Male seen from right side. 



4. Left anterior antenna of male. 



5. Right anterior antenna of male. 



6. Maxilla. 



7. Anterior foot-jaw. 



8. Posterior foot-jaw. 



9. Firstfoot. 



10. Fifth foot of female. 



11. Fifth foot of male. 



12. Terminal spine of swimming foot. 



13. Mandible and palp. 



