TABLE III 
ist BAT EXPERIMENT AT CENTRAL EXPERIMENT STATION — 1958 
Number of dead bata ¢oilected 
During During During During Total 
Treatments lst Week 2nd Week 3rd Week 4th Week dead bats 
B.H.C. (20% 
Emulsible 
concentrate): 
dilution ratio 
1:25 
B.H.C. (20% H.C.) 
1:50 
Dieldrin (20% 
E.C,) 1:25 
Dieldrin (20% 
E.C.) 1:12,5 
D.D.T, (50% 
Wettable paste) 
2 ibs. 
D.D.T, (50% W.P.) 
4 lbs, 
Chlordane (74% 
B.C.) 1:50 
Chiordane (74% 
H.C.) 1:25 
B.H.C,. Smoke 
Generator 
B.H.C. (50% 
Wettable Powder) 
4 1bs, 
CONTROL 

TABLE IV 
Sth BAT EXPERIMENT AT CHNTRAL EXPERIMENT STATION ~ 1958 
Number of dead bats collected 
Bats 
dead - 8th- Bats flying 
Rouse |prior to lst 2nd 3rd 4th) 5th) = 6Uth)=—S ss 7th~—s1L2th 12-Week at end of 
Number |lst Week | Treatments Week Week Week Week Week Week Week Week Total period 
B,H.C, 12 lbs, 
D.D,T.+ B.H.C, 
5 6+6 lbs, 
D,D,T.+B.H.C, 
6+6 lbs, 
D,D.T,+B.H.C, 
12+12 lbs, 
D.D.T.+B.H.C. 
12#12 lbs, 

