6s 
Circular 23 - Reference Index 
Ceilings 
mite dissemination 
from 15-18. 
Cheese 
control of mites 
cold storage not 
effective. . . .5-8. 
hot water or st^am 
5-8. 
fumigation. . . .22-47. 
ethylene oxide- 
carbon dioxide 
mixture 21-13,30. 
hydrocyanic acid 
gas 21-37. 
pests 
ham or cheese 
mites 5-7. 
ham skipper. .. 5-2. 
larder beetles 
5-5. 
principal pests 
5-2. 
Chimneys 
screening for mos- 
quito control 7-21. 
Cisterns 
mosquito breeding 
places 7-3. 
Clothing (or garments) 
ants destructive to 
15-2,4. 
breeding place of 
body lice 9-5. 
centipede removal 
15-30. 
disseminates 
bedbugs 10-2. 
cockroaches. .11-5. 
human lice. . . .9-7. 
evidence of fabric 
pests 3-2. 
flea control with 
pyrethrum 21-66 . 
fumlgable storage 
3-10. 
fumigation 
carbon disulfide 
'..21-14. 
carbon tetra- 
chloride. . . .21-15. 
chloropicrin 
9-14; 21-18. 
control of ticks 
12-13. 
ethylene dichloride- 
carbon tetrachlor- 
ide mixture 22-13. 
ethylene oxide- 
oarbon dioxide 
mixture 22-14. 
gas tight ohambers 
or vaults. . .22-43. 
naphthalene 
22-18,40. 
paradichlorobenzene 
22-19,40. 
kerosene as chigger 
repellent 21-42 . 
mothproofing 3-8>. 
treatment to control 
fabric pests . . . 3-9 . 
itch or scab mite 
15-22. 
lice 9-11,16. 
straw or grain mite 
15-20. 
treatment to prevent 
tick bites. .*. .12-12. 
use to exclude 
ohiggers 14-7. 
Colic (of horses) 
caused by horse bots 
16-7; 19-10. 
