WEK 



EXPLANATION OF FIGURES. 



16. 



17. 

 18. 

 19. 

 20. 

 21. 

 22. 

 23. 



Dorsal view left tf abdominal 



appendages Lestes disjuncta. 



Same L. congener. 



Same .L. vigilax. 



Same L. forcipata. 



Same L. uncata. 



Same L. rectangularis. 



Same X. inxqualis. 



Same Z,. ungukulata. 



24. 



25. 

 25. 



27. 



Lateral view external ^ genital 

 organs of second abdominal seg- 

 ment of Diplax rabicundula, as 

 seen when the insect is turned 

 upside down. 

 Same D. semicincta. 

 Same D. vicina. 

 Same D. obtrusa. 



