sk 
C?.rcvlar 23 - Reference Index 
Sea water 
Aresket as emulsi- 
fier 21-8. 
Seaweed 
breeding source of 
stable flies 
8-31; 17-3. 
Seed (see Grain) 
Septio tanks 
mosquito breeding 
places 7-3. 
Sewage 
disposal to prevent 
housefly breeding 
8-10. 
mosquito breeding in 
disposal facilities 
7-11,12. 
Sheep (see Animals) 
Shoes 
kerosene as chigger 
repellent .... 21-42 , 
Short circuits 
ants as cause. .15-4. 
Shoulders (meat) 
ham skipper injury 
5-2. 
larder beetle pollu- 
tion 5-7. 
Silk (clothing) 
fire ant destructive 
to 15-4. 
Sills (of buildings) 
construction to pre- 
vent termites 2-21. 
hosts of powder-post 
beetles 6-2. 
Skin irritations 
cause 
tropical rat mite 
15-19. 
venomous cater- 
pillars 15-15. 
whip scorpions 
15-27,28. 
treatment .15-18. 
Skirting (foundation) 
termite prevention 
clearance 
• • • • • • • • *C *" £ £0 y £,I^'~ *+ • 
construction 
2-8,19. 
Sleepers (floor) 
pressure treatment to 
prevent termites 
2-22; 2A-4. 
Sleeping quarters 
screens and nets for 
sorewworm prevention 
8-19. 
Sludge 
treatment 
borax. .17-8; 21-10. 
control str.ble 
flies 17-8. 
Snow water 
mosquito breeding 
place 7-3. 
Socks 
use to prevent tick 
bites 12-12. 
