XI 



"ORCHARD BRAND" 

 SPRAY MATERIALS 



Will be furnished free of charge, in small quantities, to ento- 

 mologists and pathologists for experimental purposes. We want 

 our materials tested and retested in order that we may correct 

 any defects that may be detected. " Orchard Brand " Spray 

 Materials represent the highest standard of quality and efficiency 

 and it is our purpose to maintain this standard at any cost. 



Our Research Department is composed of experts in entomol- 

 ogy, pathology, and chemistry, and it is their - -^' ^ 

 business to analyze, test, and direct 

 the use of all spray materials 

 manufactured by the 

 Company. ^.-- ; 



jf We are not 



t^ only equipped to furnish 



the growers with good, reliable 

 materials, but also with correct information as to -^ 



their uses in the treatment of insects and diseases. The follow- 

 ing is a partial list of our products: 



Lime-Sulphur Solution Atomic Sulphur 



Soluble Oil Bordeaux Mixture— Paste 



Arsenate of Lead— Standard Bordeaux Mixture— Powder 



Arsenate of Lead— Tri-plumbic Bordeaux-Arsenate of Lead mixture 



Arsenate of Lead— Powder Bordeaux- Arsenite of Zinc mixture 



Arsenite of Zinc— Paste Blue Stone 



Arsenite of Zinc— Powder Sulphur 



C. P. Chemicals 



THOMSEN CHEMICAL COMPANY 



BALTIMORE, MD. 



BRANCHES: 

 Syracuse, N. Y. St. Louis, Mo. Fort Valley, Ga. 



San Francisco, Cal. 



Vlease mention the Journal of Economic Entomology when writing to advertisers. 



