1122 Wisconsin Academy of Sciences, Arts, and Letters. 



EXPLANATION OF PLATE LXXV. 



Pig. 1. Cyclops Leuckarti; fourth foot (x 212). 



Fig. 2. Cyclops Leuckarti; twelfth to fifteenth antennal segments of 



female (x 300). 

 Fig. 3. Cyclops Leuckarti; second antenna (x 212). 

 Fig. 4. Cyclops tenuis; fifth foot (x 340). 

 Fig. 5. Cyclops tenuis; abdomen of female (x 212). 

 Fig. 6. Cyclops tenuis; labrum (x 475). 

 Fig. 7. Cyclops tenuis; antenna of female (x 120). 

 Fig. 8. Cyclops tenuis; cephalothorax and abdomen of female (x 70). 

 Fig. 9. Cyclops tenuis; receptaculum seminis (x 212). 



