Issued December 16, 1912. 



U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF CHEMISTRY BULLETIN No. 160. 



R. E. DOOLITTLE, ACTING CHIEF OF BUREAU. 



A STUDY OF NUTS WITH SPECIAL 



REFERENCE TO MICROSCOPIC 



IDENTIFICATION. 



BY 



W. J. YOUNG, 



Assistant Chemist, Microchemical Laboratory. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 1912. 



