512 Wisconsin Academy of Sciences , Arts, and Letters. 
EXPLANATION OP PLATE XXVII. 
Fig. 1 . Diaptomus franeiscanus: fifth foot of female. After DeGuerne 
and Richard. 
Fig. 2. Diaptomus franeiscanus: fifth feet of male. After DeGuerne 
and Richard. 
Fig. 3. Diaptomus stagnalis: fifth foot of female. After Forbes. 
Fig. 4. Diaptomus Lintoni: fifth foot of female. After Forbes. 
Fig. 5. Diaptomus Lintoni: fifth feet of male. After Forbes. 
Fig. 6. Diaptomus stagnalis: fifth feet of male. After Herrick and 
Turner. 
Fig. 7. Diaptomus Lintoni: terminal segments of right antenna of male 
After Forbes. 
Fig. 8. Diaptomus stagnalis: female. After Herrick and Turner. 
