296 Report OF THE DEPARTMENT OF ENTOMOLOGY OF THE 
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TABLE II.—CHESTNUT (PARAGON) TREATED UNDER FuMIGATORS, 1901. 
Amt of KCN 
Date. per 100 cu. ft. 
Grams. Ozs. 
Mar; 19; 20 -70 
A ise hse ew -70 
Mar. 18..° 25 .88 
Time treated. 
“Min. Max. 
Min, Min. 
40 45 
35 70 
40 45 
No. of 
trees. 
2 
6 
3 
TABLE III.—PEACH TREES TREATED 
Amt. of KCN 
Date. per 100 cu. ft. 
Grams. Oz8. 
Mar.19.. 15 .53 
Mar 23,5. 15 .53 
Mar. 25.. 15 .00 
Bole wee .53 
Arig. 0 200 
Time treated. 
“Min. Max. 
Min. Min. 
60 60 
55 5D 
50 50 
40 40 
30 60 
Total number treated with 15 grams 
Mar.18.. 20 .70 
Mar.19.. 20 .70 
Mar. 20.. 20 -70 
Mar. 23... 20 10 
Mar. 25... 20 -70 
Mar. 27.. 20 .70 
Mar.25.c;, 20 .70 
ADY 32s. eu -70 
Apr: B.s.020 70 
ADE. -18550h 20 70 
Apr. Disa 20 .70 
Apr 12... 220 <4 
Apr. 18.. 20 Ari 
30 75 
30 90 
30 60 
30 85 
30 75 
30 45 
30 80 
30 65 
25 90 
30 30 
30 90 
30 45 
30 30 
No. of 
trees. 
Dee Hee 
211 
11 
91 
Co mo Ol Oe 
Total number treated with 20 grams 120 

Results. 
No injury, May 1. 
No injury, May 1. 
No injury, May 1. 
UNDER F'uMIGATORS, 1901. 
Results. 
Tree badly infested. No injury. 
No injury. 
No injury. 
No injury. 
One tree treated 60 minutes has 
a number of its lower 
branches dead, apparently all 
due to injury by scale, 
No injury. 
No injury. 
No injury. 
One tree exposed all night; on 
June 38, shows tips of twigs 
without leaves and no living 
weeds or grass around base. 
Other trees uninjured. 
No injury. 
No injury. 
No injury. 
No injury. 
One tree exposed all night; May 
24, has terminals killed back 
12 to 18 inches, similar to 
tree shown in Plate XVI. All 
plants around base of tree 
killed. Other trees unin- 
jured. 
No injury. 
No injury. 
No injury. 
No injury. 
1 Two trees treated Mar. 18, two Mar. 19, one Mar. 23, two Mar. 25 and one Apr. 5 were 
exposed to gas all night, 
