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Wisconsin Academy of Sciences J Arts, and Letters. 
EXPLANATION OF PLATE XXIV. 
Fig. 1 . Diaptomus saltillinus: abdomen of female (X 165). 
Fig. 2. Diaptomus dorsalis: abdomen of female (X 165). 
Fig. 3. Diaptomus dorsalis: profile of cephalothorax of female (X 16). 
Fig. 4. Diaptomus albuquerquensis: abdomen of female (X 100). 
Fig. 5. Diaptomus dorsalis: terminal segments of right antenna of male 
(X 290). 
Fig. 6. Diaptomus dorsalis: fifth foot of female (X 290). 
Fig. 7. Diaptomus albuquerquensis: terminal segments of right anten¬ 
na of male (X 172). 
Fig. 8. Diaptomus albuquerquensis: fifth feet of male (X 75). 
Fig. 9. Diaptomus albuquerquensis: spines of left side of last cephalo¬ 
thoracic segment of female (X 180). 
Fig. 10. Diaptomus albuquerquensis: dorsal process of last cephalo¬ 
thoracic segment of female (X 180). 
