Bulletin 



OF THE 



Illinois State Laboratory 



OK 



Natural History 



* Urbana, Illinois, U. S. A. 



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

 Director 



Vol. X. October, 1914 Article V. 



THE EFFECTS OF KEROSENE AND OTHER PETROEEUM OILS 

 ON THE VIABILITY AND GROWTH OF ZEA MAIS 



BY 



John Hamilton Written 



