Bul. No. 26, new series, Div. of Entomology, U. S. Dept. Agr. PLATE I. 
Fic. 1.—~SPRAYING PEAS WITH TOBACCO-WHALE-OIL SOAP, SHOWING METHOD OF PREPARATION AND APPLICATION. 
(Author's photograph. ) 
Fic. 2.—SECTION OF A 600-ACRE PEA FIELD, ROWS ONE MILE LONG, SHOWING SPRAYING OUTFIT READY FOR WORK, 
PEAS FINALLY SAVED BY BRUSH-AND-CULTIVATOR METHOD. 
(Author’s photograph.) 
