Technical Series, No. 12, Part III. 



U. S. DEPARTMENT OF AGRICULTURE, 



L. 0. HOWARD, Entoi-nologist and Chief of Bureau. 



MISCELLANEOUS PAPERS. 



A COiNTRIBUTION TO OUR KNOWLEDGE 



OF THE 



THYSANOPTERA OF CALIFORNIA. 



By DTT13LEV MOULTON, 



Engdged in. Deciduous- FruU. Insert InreMigathius. 



Issued April 5, 1907. 



IJA^tV 



WASHINGTON: 



COVERNMENT PRINTING OFFICE. 



1907. 



