PLATE VIII. 

 DRAGON-FLIES, MAYFLIES, AND CADDIS. 



1. Ephemera vulgata. 



2. Ephemera, larva. 



3. Libellula depressa. 

 Sa.Libellula emerging from pupa-case. 



4. Libellula, larva. 



5. Calopteryx virgo. 



6. Agrion minium. 



7. Phryganea grandis. 



8. Phryganea, larva cases, or Caddis. 



Plants : — 



Flowering Rush (Hutomus umhellatus). In Centre. 

 Mare's-tail {Hippuris vulgaris). On Right. 

 Water Bistort {Polygonum amphihmm). On Left, 



