PLATE Q. 



Fiff 



F 

 F 

 F 

 F 

 F 

 F 

 F 

 F 

 F 

 F 

 F 

 F 

 F 

 F 

 F 

 F 

 F 



1. 

 2. 

 3. 

 4. 

 5. 

 6. 

 7. 

 8. 

 9. 

 10. 

 11. 

 12. 

 13. 

 g.l4. 

 g. 15. 

 g.l6. 

 g.l7. 

 g. 18. 



g 



g 





Alonella pulchella, female. 



" reticulations. 

 " post-abdomen. 

 Alona modesta^ male. 

 Diaptomus similis, female. 5a. jaw. 



" fifth foot of male. 

 " " " " female. 

 minnetonka, fifth foot of male. 

 " " " female. 

 " abdomen of female. 



stagnalis, margin of last thoracic segment. 

 sanguineus, " " " " 

 stagnalis, fifth foot of the male. 

 Epischura fiuviatilis, abdomen of male. 

 " lacustris, fifth feet of male. 



'• fiuviatilis, " " " " 

 Diaptomus pallidus " " " " inner ramus. 

 " sicilis '' 



it 



 < 





Ik 



ll 



