2388 GREEN AND WOODHEAD: ANILINE-BLACK BNDCCXLIII.-Ariiline-blacl% and A llied Compoimds. Part I.By ARTHUR GEORGE GREEN and ARTHUR EDMUND WOODHEAD.ALTHOUGH the recent researches of Willstiitter and his pupils(Willstatter and Maore, Ber., 1907, 40, 2665; 1. SOC. Dyers, 1908,24, 4; Willstatter and Dorogi, Ber., 1909,