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Page 1: images.library.wisc.eduimages.library.wisc.edu/EcoNatRes/EFacs/DNRBull/... · An introduction to the aquatic insects of North America. 2nd ed. Kendall/ Hunt Publishing Co., Dubuque,
Page 2: images.library.wisc.eduimages.library.wisc.edu/EcoNatRes/EFacs/DNRBull/... · An introduction to the aquatic insects of North America. 2nd ed. Kendall/ Hunt Publishing Co., Dubuque,
Page 3: images.library.wisc.eduimages.library.wisc.edu/EcoNatRes/EFacs/DNRBull/... · An introduction to the aquatic insects of North America. 2nd ed. Kendall/ Hunt Publishing Co., Dubuque,
Page 4: images.library.wisc.eduimages.library.wisc.edu/EcoNatRes/EFacs/DNRBull/... · An introduction to the aquatic insects of North America. 2nd ed. Kendall/ Hunt Publishing Co., Dubuque,
Page 5: images.library.wisc.eduimages.library.wisc.edu/EcoNatRes/EFacs/DNRBull/... · An introduction to the aquatic insects of North America. 2nd ed. Kendall/ Hunt Publishing Co., Dubuque,