. Bulletin. Natural history; Natural history. Aug. 1981 SuLEETAL.: Food Habits OF Fishes 507 80- â¡ â INTAKE â - DISCHARGE 1 60- 10- 20- n FISH AND CRAYFISH n niJn 100 80- 60 10 20 â jlmJrini. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division

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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory