PLATE XXIV B. 



Cydopina gracilis ? . 



Fig. 1. Adult female (after Glaus). 



2. Anterior antenna. 



3. Posterior antenna. 



4. Mandible and palp. 



5. Maxilla and palp. 



6. Anterior foot- jaw. 



7. Posterior foot-jaw. 



8. Foot of fourth pair. 



9. Abdomen and tail, with (a, a) fifth feet. 



Cyclops affinis $ ? 



10. Anterior antenna. 



1 1 . Labrum. 



12. Anterior foot-jaw. 



13. Foot of fifth pair. 



14. Appendage of first abdominal segment. 



15. One of caudal rami with setae. 



