PLATE I 

 NATURAL FLIES 



1. ALDER-FLY. Siali* 1-ntaria, Linn. (Slightly enlarged.) 



2. CAPERER. Hatesiut mdiatus, McLach. 



3. RED SEDGE. Anabolm nervosa, Steph. (Slightly enlarged.) 



4. WELSHMAN'S BUTTON. Sericostoma collare, Pict. 



5. CINNAMON-FLY. M-i/sta-ridc* lonywomis, Linn. 

 (>. GRANNOM. &mfJvycemtru swbnwbUu*, Curt. 



7. WILLOW-FLY. Leiictra geni&ulata, Steph. 



8. BLUE- BOTTLE. CtUliphora erythrocephala, Mg. 



9. GREEN-BOTTLE. Lucilia ccesa-r, LINN. 



10. HOISK-FI.V. Mn*<- corn////f, Fab. 



11. OAK-FLY. Leptis scolopacea, Linn. 



12. Cow- DUNG-FLY. Scatophoga stercoraria, Linn, 



13. HAWTHORN-FLY. Bibio marci, Linn. 



14. Corixa geoffroyi. 



15. FRESH- WATER SHRIMP. Gamnmrus pulex. 



