. Bulletin. Natural history; Natural history. BULLETIN of the ILLINOIS NATURAL HISTORY SURVEY THEODORE H. PRISON, Chief The Caddis Flies, or Triclioptera, of Illinois HERBERT H. ROSS. Printed by Authority of the f^AWHAl - STATE OF ILLINOIS "t '*'<^/~i//?r\?(//j|,7-y DWIGHT H. GREEN, Governor ^EP n iqDEPARTMENT OF REGISTRATION AND EDUCATION ' '^^d FRANK G. THOMPSON, i)»V^c/or //5PA 9K. 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
. Bulletin. Natural history; Natural history. BULLETIN of the ILLINOIS NATURAL HISTORY SURVEY THEODORE H. PRISON, Chief The Caddis Flies, or Triclioptera, of Illinois HERBERT H. ROSS. Printed by Authority of the f^AWHAl - STATE OF ILLINOIS "t '*'<^/~i//?r\?(//j|,7-y DWIGHT H. GREEN, Governor ^EP n iqDEPARTMENT OF REGISTRATION AND EDUCATION ' '^^d FRANK G. THOMPSON, i)»V^c/or //5PA 9K. 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
