ORCHARD BRAND SPRAY MATERIALS 



Standard of Quality — Maximum of Efficiency 



B. T. S. 



A dry material for dormant and growing period 

 spraying of fruit trees 



Lime Sulphur Solution Atomic Sulphur, Paste 



Arsenate Lead, Dry or Paste Zinc Bordeaux, Dry or Paste 



Arsenate Lime, Dry Bordeaux Mixture, Dry or Paste 



Arsenate Zinc, Dry Bordeaux Lead, Dry or Paste 



"LAZAL" 



The dust "Superior" for potatoes, tomatoes, etc. 



MANUFACTURED BY 



GENERAL CHEMICAL COMPANY 



25 BROAD STREET, NEW YORK 



Factories: BALTIMORE, MD. SYRACUSE, N. Y. ST. LOUIS, MO. 



Address all correspondence to Insecticide Department, 25 Broad 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 Amer- 

 ican Entomological Co.'s Insect Pins. 



Write (or 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 



