PLATE XXIV. 



Cyclops macrurus. 



Fig. 1. Female seen from above. 



2. Anterior antenna of same. 



3. Fifth foot. 



4. Penultimate abdominal segment. 



5. Caudal segment. 



Cyclops Kaufmanni. 



6. Female seen from above. 



7. Anterior antenna of same. 



8. Labrum. 



9. Maxilla. 



10. One of swimming feet. 



11. Fifth foot. 



12. Portion of abdomen. 



