Circular 23 - Reference Index 
37 
Manufacturers and dis- 
tributors (Cont'd) 
thallium sulfate 
21-79. 
turkey red oil 
21-73. 
vaporizers .... 20-11 . 
wire cloth. .. .20-^6. 
Maps 
mosquito control 
7-10,11. 
Margaropus annulatus 
(see Cattle-fever 
tick) 
Mediterranean flour 
moth 
food insect 4-1 • 
in flour (illus. )4-2. 
Megalopygae crispata 
(Pack) (see Flannel 
Moths) 
Megalopyg e opercularis 
(A. Vs. [(see Puss 
caterpillar) 
Menthol 
characteristics; gen- 
eral uses; price; 
availability 21-48. 
use to alleviate bites 
21-48. 
Mentholated ointments 
use to alleviate 
bites 13-9. 
Mecurial ointment 
use to control pubic 
lice. ..9-16; 21-49. 
Mercuric chloride 
characteristics ; 
price; availability; 
caution 21-49. 
known as corrosive 
sublimate 21-49 . 
use as antiseptic or 
disinfectant. .21-49. 
use to control 
ants 21-49. 
pubic lice. .. .9-16. 
Metal cans 
ant bait containers 
15-9(illus. )10. 
Methyl bromide 
caution. . 21-51. 
characteristics and 
uses as fumigant 
21-50; 22-17. 
harmful to certain 
foods. .21-50; 22-37. 
manufacturers and 
distributors 
21-51; 22-53. 
price 21-51. 
toxic effect on man 
22-18. 
warehouse fumigation 
21-50; 22-37. 
Methyl formate-carbon 
dioxide mixture 
use as fumigant . . 5-9. 
Microfine sulfur 
manufacturers and 
distributors 
6-15; 21-75. 
powder-post beetle 
repellent 6-9 . 
proprietary sulfur 
croduct 21-74. 
