EXPLANATION OF FIGURES. 



1. Lateral view of cj 1 abdominal 

 appendages of Enallagma ex- 

 sulans. 



2. Same E. aspersum. 



3. Same E. fischeri. 



4. Same E. signatum. 



5. Same E. ehrium. 



6. Same E. doubledayi. 



7. Dorsal view (J 1 abdominal ap- 

 pendages E. aspersum. 



8. Lateral view <$ abdominal ap 

 pendages E. traviatum. 



9. Dorsal view tf abdominal 



pendages E. traviatum. 



10. Lateral view tf abdominal 

 pendages E. hagetii. 



11. Same E. geminatum. 



12. Same E. divagans. 



13. Same E. pollutum. 



14. Same E. carrunculatum. 



ap- 



ap- 



