1116 
Wisconsin Academy of Sciences, Arts, and Letters. 
Fig. 1. Cyclops 
Fig. 2. Cyclops 
Fig. 3. Cyclops 
Fig. 4. Cyclops 
male 
Fig. 5. Cyclops 
Fig. 6. Cyclops 
Fig. 7. Cyclops 
Fig. 8. Cyclops 
Fig. 9. Cyclops 
EXPLANATION OF PLATE LXXII. 
ater; fourth swimming foot (x 120). 
ater; abdomen of female (x 103). 
ater; fifth foot (x 340). 
ater; eleventh to fourteenth antennal segments of fe- 
(x 425). 
ater; receptaculum seminis (x 321). 
ater; antennule of female (x 103). 
viridis var. americanus; fifth foot (x 340). 
viridis var. parcus; fifth foot (x 340). 
ater; last three segments of female antenna (x 212). 
