Summary 1.'l 'he chlorination of 4-hydroxydiphenyl us-The invesing a number of solvents is described. tigation of the trichloro derivative is continuing. 2. 3-Chloro-4-hydroxydiphenyl forms monobromo or dibromo derivatives depending somewhat upon the choice of solvents. 3. The chlorohydroxydiphenyls have been further characterized by the preparation of their 2, 4dinitrophenyl ethers and of the benzoates. 2, 4-Dinitrochlorobenzene serves as a useful ...