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ORCHARD BRAND SPRAY MATERIALS 



Standard of Quality — Maximum of Efficiency 



BTS 



A dry material for dormant and growing period 

 spraying of fruit trees 



Atomic Sulphur, Paste Lime Sulphur Solution 



Arsenate Lead Bordeaux Mixture Powder 



Arsenite of Zinc Bordeaux Lead Powder 



Calcium Arsenate Zinc Bordeaux Powder 



ACE-HY 



For control of Aphids and Pear Psylla 



MANUFACTURED BY 



GENERAL CHEMICAL COMPANY 



40 Rector Street, New York 



WARD'S NATURAL SCIENCE ESTABLISHMENT 



84-102 College Avenue, Rochester, N. Y. 



Entomological Supplies of all kinds, including 

 the only genuine hand-made Schmitt Insect 

 Boxes and the well known American Ento- 

 mological Co/s Insect Pins. 



Write for E-30, free catalogue of Entomological Supplies; E-125, Life 

 Histories of Insects of Economic Importance; also special 

 lists of Lepidoptera, Coleoptera, etc. 



Please mention the Journal of Economic Entomology when writing to advertisers 



