. Bulletin. Natural history; Natural history. STATE OF ILLINOIS HENRY HORNER, Governor DEPARTMENT OE REGISTRATION AND EDUCATION DIVISION OF THE NATURAL HISTORY SURVEY THEODORE H. PRISON. Chief Volume 21 BULLETIN Article 1 The Effect of Petroleum-oil Spra3^s on Insects and Plants M. D. FARRAR. PRINTED BY AUTHORITY OF THE STATE OF ILLINOIS URBANA, ILLINOIS November 1936. 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 Illinoi
. Bulletin. Natural history; Natural history. STATE OF ILLINOIS HENRY HORNER, Governor DEPARTMENT OE REGISTRATION AND EDUCATION DIVISION OF THE NATURAL HISTORY SURVEY THEODORE H. PRISON. Chief Volume 21 BULLETIN Article 1 The Effect of Petroleum-oil Spra3^s on Insects and Plants M. D. FARRAR. PRINTED BY AUTHORITY OF THE STATE OF ILLINOIS URBANA, ILLINOIS November 1936. 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
