Canthocamptus minnesotensis. 
‘ag 1. First foot. | | a 
2 2. Stylets. fas b fins» 
tim 3. Antenna of female. ae 
eo 4. Fifth foot of female. . sa 
ae 5. Fifth foot of male. . Sea 
BS: fi 6. Antenna of male. . to, Raa 
St 7. Daphnia hyalina (D. galeata). Young. 
Bt 8. Re 5s xe - Male. . 
9: Camptocereus leucocephalus. Male. Pia 
Ae 10. Alonella excisa. Male. me eae 
ae : Cyclops insignis. in 5 
i oY 11. Outer ramus of the first foot. 
is? «12, Fifth foot. 
‘eg 13. Fourth foot. 
+ 14. Stylet. 
i 15. Worm parasitic in arterial sinus of Daphnia schaefferi. 
: 
Be 
q \ 
# Bi 
4 Rei 
i ay 
a aay 4. 
ie Ce 
ie oe 
: 
