igi I 



BETTER FRUIT 



Fage 49 



"Ortho 40 " Zinc Arsenite 



WE ARE the originators of this arsenical as an insecticide, and 

 consider that it meets a long felt want for a strong poison 

 which is reasonably safe to use on foliage. ♦'Orto 40" Zinc Arsenite 

 contains over 40 per cent of arsenious oxide, equivalent to 46 to 

 50 per cent of arsenic oxide in the form of arsenate of lead. It is 

 thus seen to be a close rival of Paris green with regard to arsenic 

 content. It is a light, fluffy powder, readily goes into suspension in 

 water, and requires little or no agitation, and affords a very fine 

 covering for the apple against insects. On apples it has been sprayed 

 as heavy as whitewash without the least bit of injury. With the use 

 of this material there are very few, if any, stung apples. This advan- 

 tage alone will raise the average grade of apples in the Northwest 

 at least 10 per cent. There is no danger of arsenical injury of the 

 soil with this material. The equivalent of 1 2 cents' worth of pois- 

 oning in arsenate of lead can be purchased in this material for five 

 cents, or almost a third of the present price of arsenate of lead. 



If you want a material which will control codling worms to greater perfection 

 than you have ever had them controlled before, which will produce no injury 

 in the dry interior valleys of this Coast, and for a price of about one-third of 

 what you are at present paying- for arsenate of lead, this is the material for you 



Try ten pounds of it, which will cost you, express prepaid, $2.50, 

 and if you are not satisfied with your results, upon receipt of such 

 information we will return your monev. "Ortho 40" Zinc Arsenite 

 is guaranteed under the United States Insecticide Law of 1910 to 

 contain approximately 40 per cent of arsenious oxide. Write us 



California Spray- Chemical Company 



Manufacturers of Chemical Sprays : Factory, Watsonville, California 

 Distributors in all the Principal Fruit Growing Sections of the West 



WHEN WRITING ADVERTISERS MENTION BETTER FRUIT 



