30 



British Dragonflies. 



The Odonata may be thus sub-divided 



Super-family ANISOPTERIDES. 



F"amily Lib?:llULID.E. 



Sub-family Libellitlincz. 

 S u b - fa m i 1 y Cord it Hi nee. 



Family /EsCHNlD.E. 



Sub-famil}^ GonpJiincu. 

 Sub-family Cordulci^astcriHce. 

 S u b - fa m i 1 } • . -Esc/i u in cc. 



Super-family ZYGOPTERIDES. 



Family Agrionid.e. 



Sub-family Caloptcrygince. 

 Sub-family Agrionince. 



