He describes in detail his preparation of leukotaxine and its properties. He compares the conflicting theories as to the role of histamine and leukotaxine and pronounces in favor of the latter as the effective agent in increase of capillary permeability. The discussion of inflammation by Valy Menkin can well be applied to capillary permeability in shock. By an interference method they found the thickness of the film to be 12.5 mm.'
