17 
Result. — Twenty-four hours after application the insects had appar- 
ently deserted the vines, but I found none dead. 
Experiment 9.— CARBOLATE OF LIME. 
Sprinkled larvae and adults with carbolate of lime, and placed under 
glass. 
Result. — None died. 
V.— Striped Cucumber Beetle. ( Diabrotica vittata Say.) 
Experiment 1.— WOLF’S SOAP. 
Solution, 3 ounces to 1 gallon water, applied at normal temperature, 
to adults. 
Result. — After G hours none appeared injured. 
Experiment 2.— CARBOLATE OF LIME. 
Dusted on male blossoms of squash in which six adults were feeding 
on the pollen. 
Result. — Two days after, they were dead in the blossom. 
YI. — Margined Blister Beetle. ( Epicauta cinerea Forst.) 
Experiment 1.— TAR WATER. 
Applied to a row of mangel wurzels, seven rods in length, which 
was being seriously defoliated by this insect. 
Result. — Five hours after, only an occasional plant was being eaten. 
Experiment 2. — WOLF’S SOAP. 
Applied solution of 3 ounces of soap to 1 gallon of water to a row of 
mangel wurzels beside that used in Experiment 1. 
Result. — Five hours after, only three beetles were found on the leaves, 
but none were found dead or injured. 
Experiment 3.— COPPERAS WATER. 
Solution, 1 ounce to 1 pint water sprayed on row next to Experi- 
ment 2. 
Result. — Five hours after, the number of beetles feeding on leaves 
does not seem to have diminished. 
Note. — Three days after, the beetles had returned to all three rows 
in about equal numbers. 
VII. — Ants. 
Experiment 1.— CARBOLIC ACID. 
Large numbers of ants had excavated burrows between the crevices 
of a brick walk in my yard, and kept the entire walk in an unsightly 
condition by reason of the numberless little circular heaps of excavated 
92G8— Bull. 11 2 
