76 
Circular 23 - Reference Index 
Grain(and seed) (Cont'd) 
fumigation (Cont'd) 
ethylene dichlo- 
ride 22-13. 
ethylene dichloride 
-carbon tetrachlo- 
ride 21-15,29. 
ethylene oxide- 
carbon dioxide 
....21-13; 22-47. 
hydrocyanic acid 
gas 21-37. 
naphthalene not 
suitable. . .22-18. 
Grass 
clippings 
treatment to con- 
trol stable flies 
17-7,9. 
cutting to control 
ticks 22-16. 
windrows 
breeding souroe of 
stable flies 
17-3. 
Grocer's itch 
cause; control 
15-20. 
Ground 
ant nests. .. .15-5,o. 
bee and wasp nests 
15-12,13. 
Ground slabs (concrete 
or masonry) 
construction to pre- 
vent termites 2-21. 
treatment to oontrol 
termites 2-38. 
Gun stock blanks 
Lyctas beetle in- 
festations 6-3. 
Habitations (see 
Buildings) 
Hair 
breeding place of 
lice 9-3,5,7. 
oontrol of lice 
head lice 
..9-8; 21-43,44,80. 
pubic lice. .. .9-16. 
tick remedy injurious 
to 12-24* 
Ham 
pests 
ham beetle 5-4. 
ham skipper* . . . 5-2. 
larder beetle.. 5-7« 
reconditioning by 
trimming 5-7. 
Hard water 
Aresket as emulsifier 
21-8. 
Hardwood (see Wood) 
Hats 
treatment to oontrol 
lice 9-10. 
Hay 
breeding source of 
stable flies 
8-31; 17-3. 
treatment to oontrol 
stable flies. ..17-8. 
Heartwood (see Wood) 
Helmets 
protection of aviator's 
fur lined 
21-53; 22-40. 
