1130 Wisconsin Academy of Sciences, Arts, and Letters. 



EXPLXANATION OF PLATE LXXIX. 



Fig. 1. Cyclops prasinus; abdomen of female (x 212). 



Fig. 2. Cyclops prasinus; first antenna of female (x 212). 



Fig. 3. Cyclops prasinus; fourth foot (x 340). 



Fig. 4. Cyclops serrulatus; fourth foot (x 212). 



Fig. 5. Cyclops tenuis; fourth foot (x 212). 



Fig. 6. Cyclops viridis var. americanus; abdomen of female (x 103). 



Fig. 7. Cyclops viridis var. brevispinosus ; abdomen of female (r 



103). 

 Fig. 8. Cyclops serrulatus; female (x 103). 

 Fig. 9. Cyclops pihaleratus; fifth foot (x 340). 

 Fig. 10. Cyclops prasinus; fifth foot (x 475). 

 Fig. 11. Cyclops bicuspidatus var. navus; abdomen of female (x 103). 



