1126 Wisconsin Academy of Sciences, Arts, and Letters. 



EXPLANATION OP PLATE LXXVII. 



Pig. 1. Cyclops fuscus; abdomen of female (x 103). 



Fig. 2. Cyclops fuscus; terminal segment of endopodite of fourth foot 

 (x 212). 



Fig. 3. Cyclops fuscus; segments eight to fourteen of antenna of fe- 

 male (x 214). 



Fig. 4. Cyclops fuscus; segments fifteen to seventeen of antenna of fe- 

 male (x 212). 



Fig. 5. Cyclops fuscus; second antenna (x 212). 



Fig. 6. Cyclops fuscus; receptaculum seminis (x 168). 



Fig. 7. Cyclops fuscus; first segment of antenna of female (x 212). 



