. Bulletin. Natural history; Natural history. 140 138 137 139 144 145 146. 141 150 151 \r 148 149 152 155 156 157 158 159 160 161 162 IV. 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