STATE OF ILLINOIS 



Willidm G. Sfrdtfon. Governor 



DEPARTMENT OF REGISTRATION AND EDUCATION 



Vera M. Binks, Dlrccfor 



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NIGHT-LIGHTING: 



A Technique for Capturing 

 Birds and Mammals 



Ronald F. Labisky 



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Biological Noi^feVl^b; 40 ^ 



'<^ Pnn+edby'^w^ority of tkg State of Illinois ""» 





NATURAL WjSTORY 

 SURVEY DIVISION 



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Hir.TORV ?'J:^VET 



Harlow B. Mills. Chief 



Urbana, Illinois 

 July, 1959 



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