542 



"EOCEEDINGS OF THE THIRD ENTOMOLOGICAL MEETING 



" Now as to the results of catching this number of moths as shown 

 by the yield from the difierent plots — they are not encouraging ! 



" The following Table shows the amount of cotton picked and the 

 loss we estimated to have taken place on each plot : 



K = Eati>ar, Rs. = Rottle.' 



jf,B. The crop was rather late and flooding interfered with the second picking. 



Part of the 12-lamp plot was very poor ; hence there occurred the lowest yield on the plot which, 

 showed the lowest loss. 



" From these figures it would appear that the intensity of the attack 

 was rather less on the 12-lamp plot than on the others, but I hesitate 

 to attribute it to the influence of the 12 traps. The following figures 

 obtained from an examiaation of green bolls picked from the three plots 

 on 25th September are of some interest since they also show that the 

 intensity of the attack was less on the 12-lamp plot. 



N.B.—I reckon 6 divisions to the boU of 3 locks— each boU of uniipe flbre being easily divided 

 into two pieces. 



" My preliminary conclusions — so far as I have any — on this experi- 

 ment are that the 6 traps on -| feddan gave no protection of practical 

 use to the crop ; the 12 lamps per i feddan may have done something 

 to lessen the attack, but as I do not know that all other conditions were 

 equal on the 3 plots I cannot be certain that this result was entirely due 

 * Kantar=Sl5 Bottles. A rottic is approximately one pound-weight. 



