Canthocauiptus niiuuesotensis. 



Fig. 



1. First foot, 



2. Stylets. 



3. Antenna of female. 



4. Fifth foot of female. 



5. Fifth foot of male. 



6. Antenna of male. 



7. Daphnia hyaliua (D. galeata). Young. 



8. " " " Male. 



9. Caniptocerciis leucocephaliis. Male. 



10. Aloiiella excisa. Male. 



Cyclops iusig^nis. 



11. Outer ramus of the first foot. 



12. Fifth foot. 



13. Fourth foot. 



14. Stylet. 



15. Worm parasitic in arterial sinus of Daphnia schaefferi. 



