1118 Wisconsin Academy of Sciences, Arts, and Letters. 



EXPLANATION OF PLATE LXXIII. 



Fig. 1. Cyclops bicuspidatus ; first antenna of female (x 212). 



Fig. 2. Cyclops bicuspidatus ; second antenna of female. 



Fig. 3. Cyclops bicuspidatus; furca of female (x 340). 



Fig. 4. Cyclops bicuspidatus; mandible (x 340). 



Fig. 5. Cyclops bicuspidatus; outer maxillipede (x 212). 



Fig. 6. Cyclops bicuspidatus; fourth swimming foot (x 212). 



Fig. 7. Cyclops bicuspidatus var.; abdomen of female (x 103). 



Fig. 8. Cyclops bicuspidatus; abdomen of female (x 103). 



Fig. 9. Cyclops bicuspidatus; labrum (x 475). 



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



Fig. 11. Cyclops bicuspidatus; fifth foot (x 475). 



