1. Aquatic Macroinvertebrates

2. A B

4. mayfly

6. midge

8. Caddisfly

10. Air breathing snail
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12. Giant water bug

14. dragonfly

16. Blackfly larvae

18. Gilled Snail
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20. Water mite

22. Water Penny

24. Whirligig beetle

26. Stonefly

28. Flatworm Planaria

30. Riffle Beetle Adult and larvae

32. Waterboatman

34. damselfly

36. Water Scorpion

38. Dobsonfly aka Hellgramite

40. Aquatic Sowbug

42. Cranefly

44. Blood midge

46. Leech swollen with blood on previous slide, not swollen on this one!

48. Predacious diving beetle

50. Mosquito larvae

52. Water strider

55. backswimmer