402 
Journal of Agricultural Research 
Vol. XXVIII, No. 4 
Table XI .—Effect of various organic compounds on bean foliage 
COMPOUNDS HAVING THE NH 2 GROUP 
Compound 
Effect on foliage 
l 
| Compound 
1 
Effect on foliage 
Meta-nitroanilin_ _ 
Medium burning. 
Serious burning. 
1 Acetyl-para aminophenol. 
No burning. 
Do. 
2-4-Dichloranilin... 
! Acetyl-para methylamino- 
2-4-6 Trichloranilin..... 
2-6 Dichlor-4-nitroanilin _ 
Medium burning. 
No burning. 
Serious burning. 
Do. 
phenol. 
1 Anthranilic acid... 
Serious burning. 
Medium burning. 
Para-chloracetanilid__ 
i Para-aminobenzoic acid._. 
Para-nitroacetanilid. . _ 
1 Acetyl-para-aminobenzoic acid 
No burning. 
Para-phenylenediamin. 
Do. 
Benzamid__ 
Serious burning. 
No burning. 
Serious burning. 
Meta-tolylenediamin.. 
Para-aminoacetanilid_ 
Do. 
Do. 
j Aminosalicylic acid__ 
| Alpha-naphthylamin. 
D iacetyl-ortho-phenylendia- 
min. 
2- Diaminochlorbenzene_ 
Para-toluidin_ 
No burning. 
Serious burning. 
Do. 
! Beta-naphthylamin.. 
Phenyl-alpha-naphthylamin.. 
i Nitronaphthylamin_ 
! Diphenylamin... 
Medium burning. 
Serious burning. 
Do. 
Acetyl-ortho-toluidin_ 
Acetyl-para toluidin.. 
Do. - 
Do. 
A cetyl diphenylamin_ 
t Carbazol.... 
Do. 
No burning. 
Medium burning. 
No burning. 
Do. 
3-Nitro 4-aminotoluene_ 
Do. 
| Benzidin____ 
4-Nitro 2 aminotoluene.. 
No burning. 
Serious burning. 
Medium burning. 
! Tolidin.... 
Ortho-aminophenol.. 
i Benzanilid_ 
Para-amino phenol.... 
Oxanilid_:_ 
Do. 
COMPOUNDS CONTAINING THE COOH GROUP BUT NOT THE NH 2 GROUP 
Para-chlorbenzoic acid. 
Para-nitrobenzoic acid_ 
2- 4-Dinitrobenzoic acid. 
3- 5-Dinitrobenzoie acid. 
Serious burning. 
Do. 
Do. 
Medium burning. 
2-4-6 Trinitrobenzoic acid. 
5-Nitrosalicylic acid__ 
Cresotinic acid.. 
Para-cyanobenzoic acid_ 
Serious burning. 
Do. 
Do. 
No burning. 
COMPOUNDS CONTAINING THE OH GROUP BUT NOT THE NH 2 OR COOH GROUP 
Para-nitrophenol.. 
Para-nitrophenetol. 
3-5 Nitro-ortho-cresol.. 
Trinitro-meta-cresol. 
Serious burning. 
Do. 
Do. 
Medium burning. 
Alpha-naphthol.. 
I Beta-naphthol.. 
Serious burning. 
Do. 
COMPOUNDS CONTAINING THE N0 2 GROUP BUT NOT THE NH 2 , COOH, OR OH 
GROUPS 
Para-nitrochlorobenzene. 
Para-chlor-nitrobenzene_ 
Serious burning. 
DO. 
Dinitrotoluene___ 
Alpha-nitronaphthalene_ 
Serious burning. 
Do. 
COMPOUNDS CONTAINING THE CO GROUP 
Anthraquinone.. 
Benzil.. 
No burning. ! 
Do. ! 
i 
Phthalic anhydrid. 
Serious burning. 
HYDROCARBONS 
Diphenyl. 
Serious burning. 
Do. 
Anthracene__ 
No burning. 
Phenanthrene. 
MISCELLANEOUS COMPOUNDS 
Hexachlorethane.. 
Dichlordiethyl sulphorid_ 
Serious burning. 
Dp. 
Thio-beta-naphthol. 
Triphenyl arsine... 
Serious burning. 
Medium burning. 
SUMMARY 
No inorganic nonarsenical was found of noteworthy toxicity to the Japanese 
beetle. 
The relative stability of simple metallic cyanids was determined in efforts to 
explain the differences in toxicity among them. When spread out, as in a spray 
deposit, copper and nickel cyanids are stable, zinc cyanid breaks down slowly, 
and so-called lead cyanid hydrolyzes quickly. 
Copper cyanid was the only nonarsenical tested the toxicity of which was 
comparable to that of lead arsenate on the Japanese beetle. 
Copper thiocyanate showed high toxicity to tent caterpillars, but was non¬ 
toxic to the Japanese beetle. 
Complex cyanids and other rather complex insoluble organic compounds 
exhibited low toxicity, and were interesting only from a theoretical point of view. 
No definite relations were found between chemical constitution and toxicity. 
