DAnStL-FL^ 



^^OTZ^Zz^ 



*-=^^=======<a5[ffl»gg 



D \PTE RA - FLIES 



OBA&OM -Fl-V 



ODON AT A 



E.PHEMERIDA - nAY-FLY 



NEUROPT ERA 

 HELLO R AM n ITE 



V/ATER- PENNY 



Ta\CVAOPTE RA 

 CADDJS WORMS (N CASES 



PLECOPTERA- STONE-FLY 



inMATURE V7ATER INSECTS 



WATER -StAVENCrtR 



OlNJlNC- BCETLE 



COLEOPTERA 



224 



