Bulletin 



Olf THE 



Illinois State Laboratory 



OS 



Natural History 



Urbana, Illinois, U. S. A. 



STEPHEN A. FORBES, Ph.D., E.E.D., 

 Director 



Vol. X. October, 1914 Article V. 



THE EFFECTS OF KEROSENE AND OTHER PETROEEUM OIES 

 ON THE VIABILITY AND GROWTH OF ZEA MAIS 



BY 



John Hamilton Whitten 



