Les 
pee 
igte 
i. 
13. 
14. 
15. 
SOMDABDAPWN ES 
Canthocamptus minnesotensis. 
First foot. 
Stylets. 
Antenna of female. 
Fifth foot of female. 
Fifth foot of male. 
Antenna of male. 
Daphnia hyalina (D. galeata). Young. 
cd sé ss Male. 
Camptocercus leucocephalus. Male. 
Alonella excisa. Male. 
Cyclops insignis. 
Outer ramus of the first foot. 
Fifth foot. 
Fourth foot. 
Sty let. 
Worm parasitic in arterial sinus of Daphnia schaefferi. 
