PLATE LIV 



Plots in field i, East Marion, Long Island, N. Y., 1915. The poor stand In figures 2 

 and 3 was due entirely to bacterial wilt. 



Fig. I. — Plot sprayed with Bordeaux mixttire and lead arsenate, beginning June 

 25. Photographed September 20, 1915. 



Fig. 2. — Plot sprayed with Bordeaux mixture and lead arsenate, beginning July 



19, after most of the striped-beetle injury had occiured. Photographed September 



20, 1915. 



Fig. 3. — Plot sprayed with Bordeaux mixtiu-e and lead arsenate, beginning July 

 27. Practically no beetle injmy occiured after this date. Photographed September 

 20, 1915. 



Fig. 4. — General view of field, showing cages and meteorological-instrument shelter. 

 Photographed July 10, 1915. 



