BULLETIN 1160, U. S. DEPARTMENT OF AGRICULTURE. 
Table 1. — Results of spraying Aphis rumicis with organic compounds — Continued. 
PHENOLS AND ALLIED COMPOUNDS. 
Compound. 
Concentra- Minimum 
tions 
tested. 
toxic con- 
centrations 
Phenol 
Cresol(U. S. P.) 
Resorcinol 
Phloroglucinol 
Pyrogallol 
Cyclohexanol 
Terpineol 
Safrol 
Sodium dioxynitrosobenzene 
Grams per 
100 cc. 
8 
0) 
0) 
Grams per 
100 cc. 
5.5 
1.5 
5.5 
>1 
15 
>1 
>1 
>1 
>1 
ESTERS. 
Amyl acetate (commercial) 
Methyl salicylate 
Benzyl acetate 
Benzyl chloride 
ORGANIC ACIDS AND THEIR SALTS. 
Cyanacetic acid (applied as the ammonium salt). 
a-Naphthol, 1, 3, 6, 8-trisulphonic acid 
a-Naphthol disulphonic acid 1,3,6 
1, 8-aminonaphthol, 3, 6-disulphonic acid * 
Sodium 0-Naphthol sulphonic acid 2,6 
Sodium /3-Naphthol disulphonic acid 2,6,8 
Sodium naphthionate 
Camphoric acid (applied as the ammonium salt). 
Sodium phenol sulphonate (U. S. P.) 
Cyanuric acid (applied as the ammonium salt)... 
Cacodylic acid 3 
Sodium salicylate 
Sodium benzoate 
Picric acid 
Fish-oil soap (Na 
CYCLIC COMPOUNDS WITH C AND H ONLY PRESENT. 
Benzene 
Toluene 
Xylene (mixture of isomers) . 
Cyclohexane 
C 1 ) 
25 
0) 
16 
(*j 
10 
(!) 
12.5 
ALIPHATIC AND CARBOCYCLIC COMPOUNDS WITH C AND H AND CI OR S PRESENT. 
{ 
0) 
5 
2 
8 
} 
34 
31 
>5 
9 
6 
2-5 
<8 
<2 
<a 
<4 
Many concentrations tested. 3 Capryl alcohol used as spreader. 10 Figures refer to free acid. 
