= 
a ae 
it was entirely destroyed by the curculio, not a single plum being left to 
mature. The crop in the orchard however, was immense, one-half the 
fruit on many of the trees being artificially thinned, and then bearing so 
much that the limbs bent to the ground and in some cases broke on ac- 
count of the great weight. 
AMOUNT OF RAINFALL. 
As already stated a great deal deal of rain fell during the period of 
spraying, necessitating at least one more application than ordinarily 
would suffice. The amount of rainfall during the period covered by 
these experiments—May 15th to June 14th—is indicated in the follow- 
table : 
Inches, Inches 
AVIV BUD ier cat citects scat 74 Maye SO rramtercter ice cree 90 
Ser AUD arr ate c os berct est .16 CONS OS sr apateve ores 5 13 
CA BO La era ce es .O1 ‘Jame = ae teeta chat 02 
COD DIN es sen bts ee ail OC LE Te eevee 22 
Oe a ees 2 are 02 ee [pte tee ae ee 22 
Cog OEP eaetoetioee 16 oe Sissy awe seers, Se 31 
UEC Aan ere tia oe O1 se ON \ccareopeeoneions. © trace 
CA Renee atte ace 10 SOM ML een eRe att trace 
SOMTIAD eee ow Ct .00 SOPPIAT pepe Aco ehsce .09 
CONCLUSIONS. 
This series of experiments carried on through two seasons upon two 
varieties of cherry trees and four varieties of plum trees, during which 
a grand total of 65,500 cherries have been individually examined, seems 
to me to confirm the conclusions provisionally announced one year ago, 
which may now be put in the following form : 
(1). That about three-fourths of the cherries liable to injury 
by the plum curculio can be saved by two or three applications of Lon- 
don purple in a water spray, in the proportion of one ounce to ten gal- 
lons water. 
(2). That a sufficiently large proportion of the plum crop can be 
saved by the same treatment to insure a good yield when a fair amount 
of fruit is ‘‘ set.” 
(3). That if an interval ofa month or more occurs between the 
last application and the ripening of the fruit, no danger to health need 
be apprehended from its use. 
(4). That spraying with the arsenites is cheaper and more practical 
than any other known method of preventing the injuries of this insect. 
Mr. Smith called attention to the fact that in New Jersey there was 
no second brood of the Elm Leaf Beetle this season. Prof. Hargitt re- 
ported that peaches were seriously injured by the curculio in south-west- 
ern Ohio this season. 
