EXPLANATION OF FIGURES. 



1. Lateral view of r? abdominal 

 appendages of Enallagma ex- 

 sulans. 



2. Same E. aspersum. 



3. Same E. Hscheri. 



4. Same E. signatum. « 



5. Same E. ebriam. 



6. Same E. doubled ay i. 



7. Dorsal view S' abdominal ap- 

 pendages E. aspersum. 



9. 



10. 



II. 

 12. 

 13. 

 14. 



Lateral view^ (^ abdominal ap- 

 pendages E. traviatuw. 

 Dorsal view (f abdominal ap- 

 pendages E. traviatum. 

 Lateral view c?' abdominal ap- 

 pendages B. hageni. 

 Same E. geminatum. 

 Same E. divagans. 

 Same E. poUutum. 

 Same E. carrunculatum. 



