508 Wisconsin Academy of Sciences^ Arts, and Letters. 



EXPLANATION OF PLATE XXV. 



Fig. 1. Diaptomiis albuquerquensis : fifth foot of female (X 180). 



Fig. 2. Diaptomics sanguineus: terminal segments of rigtit antenna of 



male (X290). 

 Fig. 3. Diaptomus Eiseni: fifth feet of male (X 76). 

 Fig. 4. Diaptomus purpureus: fifth feet of male (X 108). 

 Fig. 5. Diaptomus sanguineus : fifth foot of female (X 165). 

 Fig. 6. Diaptomus asymm.etricus : fifth feet of male (X 205). 

 Fig. 7. Diaptomus purpureus : terminal segments of right antenna of 



male (X 180). 

 Fig. 8. Diaptomus sanguineus: fifth feet of male [X165). 



