VI 



ENTOMOLOGICAL SUPPLIES 

 and SPECIMENS 



Ne>v Illustrated Catalogue on application 



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DEPARTMENT OF NATURAL SCIENCE 404 West 27th Street 



G. LAGAI, Ph. D. NEW YORK CITY 



The Journal of Economic Biology 



Edited by WALTER E. COLLINGE, M. Sc, F. L. S., F. E. S. 



with the co-operation of 



Prof. A. H. Reginald Buller, D. Sc, Ph. D. 

 Prof. Geo. H. Carpenter, B. So., M. R. I. A. 

 Robert Newstead, M. So., A. L. S., F. E. S. 

 A. E. Shipley, M. A., Hon. D. Sc., F. R. S. 



Indispensable to Economic Biologists, Entomologists, etc. 



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£1 -,/v V/vfvM nr«/\/\r\ ^*^' ^^^ Jose Scale and other destructive parasites 

 ijQVC 1 our 1 iC V U '^'t'l ^ spraying solution of 



Good's Caustic Potash Whale-Oil Soap ^o. 3 



Sure death to insects. No sulphur, salt, mineral oils, or any substance harmful to 

 plant life. Insecticide and Fertilizer combined. Dissolves easily in water. Endorsed 

 by the U. S. Dep't of Agriculture. Also 



Rosin Fish Oil Soap 



for spraying Cranberry vines, Grape vines, etc. 



JAMES GOOD, Original Marker 



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