508 Wisconsin Academy of Sciences, Arts, md Letters, 
EXPLANATION OF PLATE XXV. 
Fig. 1 . Diaptomus albuquerquensis: fifth foot of female (X 180). 
Fig. 2. Diaptomus sanguineus: terminal segments of right antenna of 
maie (X 290). 
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 asymmetrieus: 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). 
