82 SIXTEENTH BIENNIAL REPORT 



sion of tlie vessel either to destroy the objectionable plants and plant products, or 

 to remove ttiem forthwith from the port and the territorial waters of the United 

 States. The inspector of the Department of Agriculture may, if he considers it 

 necessary, require the disinfection of the vessel in accordance with methods pre- 

 scribed by the Department of Agriculture. 



The foregoing regulations are adopted, effective on und after August 1, 1920, 

 and amend and supersede the regulations promulgated October 20, 1917, which 

 became effective December 1, 1917. , 



Done in the District of Columbia this 7th day of July, 1920. 



Witness my band and the seal of the United States Department of Agriculture. 



[Seal] E. D. BALL, 



Acting Secretary of Agriculture. 



