STATE OF ILLINOIS 

 Adlai E. Stevenson, Governor 



DEPARTMENT OF REGISTRATION AND EDUCATION 

 Noble J. Puffer, Director 



■f7 



How to Collect 

 and Preserve 



INSECTS 



H. H . ROSS 



Printed by Authority of the State of Illinois 



NATURAL HISTORY SURVEY DIVISION 

 Harlow B. Mills, Chief 



Circular 39 Urbana 



(.Third Printing, With Additions) 



July 1949 



