PLATE Q 5. 



Fig. 



1. 



Cyclops ftuviatiliSi female. 



Fig. 



2. 



antenna. 



Fig. 



3. 



antenna of young. 



Fig. 



4, 



abdomen of young. 



Fig. 



5. 



foot of young. 



Fig. 



6. 



foot of adult. 



Fig. 



7. 



fifth foot. 



Fig. 



8. 



eye. 



Fig. 



10. 



C. serrulattis^ young. 



Fig. 



11. 



Daphnella brachyura^ female. 



Fig. 



12. 



Vaphnella brachyura^ male. 



Fig. 



13. 



edge of valves. 



Fig. 



14. 



abdomen of male. 



Fig. 



15. 



abdomen of female. 



Fig, 



16. 



antenna of male. 



