Received Novrmher 16, 1921'l'he purpose of this investigation, as it developed, was twofold. It', vas desired, in the first place, to obtain additional information bearing upon the chemical constitution of the nitro-anilines and, second, to test the hypothesis adranced in a previous paper4 as to the mechanism oi mercurization of aromatic amines. It was pointed out in that paper that mercurization of aromatic amines proceeds probably in two stages: first, the ...