26 
Circular 23 - Reference Index 
Gardinol W. A. 
emulsifier in mos- 
quito larvieides 
21-35. 
manufacturers and 
distributors 21-36. 
proprietary product 
21-36. 
Gas masks 
cannisteid ....22-5. 
essential uses 22-4. 
carbon dj sulphide 
22-50. 
carbon tetrachlo- 
ride 22-12. 
chloropicrin 
22-13,37. 
ethylene dlchlo- 
ride 22-14. 
ethylene dichlo- 
ridj-carbon tetra- 
chloride mixture 
22-50. 
hydrocyanic acid 
gas 22-24, 
30, 33, 35, 36. 
illustration. .22-32. 
manufacturers and 
distributors 22-52. 
types 22-4. 
Gasoline 
characteristics; in- 
seoticidal use; 
availability; cau- 
tion. 21-36. 
use to control 
ticks 12-21. 
Gastrophilus intesti - 
nal is De Geer (see 
Common horse bot fly) 
Gastrophilus haemor - 
rhoidalis L. (see 
Nose fly) 
Gastrophilus nasalis (L. ) 
(see Throat bot fly! 
Generators (hydrocyanic 
acid fumigation) 22-.. 8. 
emptying 22-30. 
order of placing 
chemicals. ..22-28 
placement. .... .22-29. 
German roach ( Blattella 
germanlca L. ) 
description 11-4. 
development 11-4. 
illustration of 
stages •••••«••« 11— o • 
Gloves (protective or 
Neoprene-treated ) 
essential in handling 
creosote 
6-10; 20-50. 
formalin 21-34. 
orthodichloroben- 
zene 
6-10;20-50;21-57. 
pentachlorophenol 
6-10; 20-50; 21-61. 
soil poisons for 
termites 2-36. 
manufacturers and 
distributors 
2-40; 6-15; 20-50. 
Glycerine 
in phosphorus paste 
21-63. 
