358 Report oF THE DEPARTMENT OF ENTOMOLOGY OF THE 
in part II had the roots only dipped; while those in part III were 
wholly immersed. The temperature of the sulphur wash was 
60° F. 
Results on trees.— The effects of these different treatments upon 
the trees are given briefly in detail as follows :— 
Lot 1. INSTANTANEOUS IMMERSION. 
TOPS ONLY. 
May 22. Trees are leafing out. 
“) 
June 4. Trees are making good growth. 
July 5. Trees are normal. 
ROOTS ONLY. 
May 22. Leaves are making their appearance. 
June 4. As above. 
July 5. .Trees are making normal growth. 
ENTIRE TREES. 
May 22. Trees are as above. 
June 4. Ten trees are very backward. Remainder as above but some show 
signs of wilting. 
July 5. Fourteen trees are dead. Thirty-two trees are normal. 
Lot 2. DirPpep ONE MINUTE. 
TOPS. ‘ONLY. 
May 22. Buds are opening. Some trees are retarded. 
June 4. Eight trees are in leaf. Two trees with buds just opening. 
July 5. Tress are making normal growth. 
ROOTS ONLY. 
May 22. As above. 
June 4. Four trees are in leaf. Six trees with buds just opening. 
July_s5: Four trees are dead). Six trees are normal 
ENTIRE TREES. 
May 22. Six trees are in leaf. Jour trees are much retarded. 
June 4. Seven trees are making good growth. Three trees with buds 
unopened. 
July 5. Seven trees are dead. Three trees with poor growth. 
Lot 3. Dirpep Two MINUTES. 
TOPS ONLY. 
May 22. One tree in leaf and nine trees with unopened buds. 
June 4. Seven trees are making good growth. Three trees with buds 
just breaking open. 
Juiy 5. All trees are in normal condition. 
