. Bulletin. Natural history; Natural history. I STATE OF ILLINOIS HENRY HORNER, Governor DEPARTMENT OF REGISTRATION AND EDUCATION JOHN J. HALLIHAN, Director DIVISION OF THE NATURAL HISTORY SURVEY THEODORE H. FRISON, Chief Volume 21 BULLETIN Article 5 Preliminary Studies On Parasites of Upland Game Birds And Fur-Bearing Mammals in Illinois W. HENRY LEIGH. PRINTED BY AUTHORITY OF THE STATE OF ILLINOIS URBANA, ILLINOIS August 1940. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustr
. Bulletin. Natural history; Natural history. I STATE OF ILLINOIS HENRY HORNER, Governor DEPARTMENT OF REGISTRATION AND EDUCATION JOHN J. HALLIHAN, Director DIVISION OF THE NATURAL HISTORY SURVEY THEODORE H. FRISON, Chief Volume 21 BULLETIN Article 5 Preliminary Studies On Parasites of Upland Game Birds And Fur-Bearing Mammals in Illinois W. HENRY LEIGH. PRINTED BY AUTHORITY OF THE STATE OF ILLINOIS URBANA, ILLINOIS August 1940. 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
