370 



JOURNAL OF ECONOMIC ENTOMOLOGY 

 Table I. — Concluded 



[Vol. 12 



I Sprayed March 18, 1919. 



The purpose of this past season's spraying experiments has been 

 to repeat all the experiments of previous years which give some promise 

 of becoming important sprays for the control of aphides in the egg 

 stage; to determine the comparative value of recommended (and other) 

 winter strengths of concentrated liquid lime-sulfur, dry (coarse and 

 fine powder) hme-sulfur, barium-sulfur ("B. T. S.") and sodium sulfur 



