| 1. | Alder-fly. Sialis lutaria, Linn. (Slightly enlarged.) |
| 2. | Caperer. Halesus radiatus, McLach. |
| 3. | Red Sedge. Anabolia nervosa, Steph. (Slightly enlarged.) |
| 4. | Welshman’s Button. Sericostoma collare, Pict. |
| 5. | Cinnamon-fly. Mystacides longicornis, Linn. |
| 6. | Grannom. Brachycentrus subnubilus, Curt. |
| 7. | Willow-fly. Leuctra geniculata, Steph. |
| 8. | Blue-bottle. Calliphora erythrocephala, Mg. |
| 9. | Green-bottle. Lucilia cÆsar, Linn. |
| 10. | House-fly. Musca corvina, Fab. |
| 11. | Oak-fly. Leptis scolopacea, Linn. |
| 12. | Cow-dung-fly. Scatophaga stercoraria, Linn. |
| 13. | Hawthorn-fly. Bibio marci, Linn. |
| 14. | Corixa geoffroyi. |
| 15. | Fresh-water Shrimp. Gammarus pulex. |
