The previous paper1 of this series dealt with 2, 4-dibromophenyl ether during pyrolysis' in three halogen-substituted allyl aryl ethers which spite of the large yield of L, but in this case rearranged normally into allylphenols. Eleven hydrogen bromide was absent. With hydrogen related compounds, nine ethers and two phenols, bromide present the change, in part, of L into M are taken up in this paper. The list is given in would be anticipated.* The ...