Bui. 24, Div. Veg. Phys. & Path., U. S. Dept. of Agriculture. 



Plate VI. 



Fig. 1.— Combined Harvester-thresher at work near Walla Walla, Wash. 

 (Photographed by A. B. Leckenby. ' 



Flo. 2. -Harvesting with the Wide-cut Binder near Colfax, Wash. 'Original. 



