1128 Wisconsin Academy of Sciences, Arts, and Letters . 
T 
EXPLANATION OF PLATE LXXVIII. 
Fig. 1. Cyclops modestus; female (x 103). 
Fig. 2. Cyclops modestus; first antenna of female (x 212). 
Fig.,3. Cyclops modestus; fifth foot (x 340). 
Fig. 4. Cyclops modestus; abdomen of female (x 212). 
Fig. 5. Cyclops serrulatus; fifteenth, sixteenth, and seventeenth seg¬ 
ments of antenna of female (x 340). 
Fig. 6. Cyclops serrulatus; abdomen of female, slender form var. ele - 
gans (x 103). 
Fig. 7. Cyclops serrulatus; abdomen of female, most common form 
(x 103). 
Fig. 8. Cyclops serrulatus; fifth foot (x 475). 
Fig. 9. Cyclops serrulatus; receptaculum seminis (x 212). 
