214 OHIO EXPERIMENT STATION: BULLETIN 194 



EXPLANATION OF PLATE VII. 



Fig-. 1. Elms protected from tussock moth by spraying- with arsenicals 

 supplemented with banding-. 



Fig. 2. Elm growing- beside the one represented in Plate IX, Fig-. 2. 

 Untreated, Photo Aug. 30, 1906. 



