DESCRIPTION OF PLATE XV. 



Experiments at Biggs, Cul. (Modified eavi celeste.) Looking east between rows 

 34 and 35, May 14, 1895. Row 34 unsprayed; row 35 sprayed before ])lo()niing 

 with 4 pounds copper sulpliate, 5 pounds sal soda, 3 pints ammonia, and 45 gallons 

 of water. The average value of fruit matured jxt tree in row 34 was $1 .S4; in row 35, 

 $8.05. The spray used on row 35 showed a net gain over row 34, as determined by 

 the comparative value of the peaches set by the trees of both rows, of 608 per cent 

 (p. 118). 



