Lichen Nitidus with Koebner's Phenomenon. Presented by Dr. M. Ebert, Dr. V. Leaf and (by invitation) Dr. D. Musgrave. DISCUSSION Dr. M. J. Brunner: At Illinois we had a typical case of lichen nitidus, proved by biopsy, in which was exhibited the Koebner phenomenon. In each scratch mark on the leg one could see typical lichen nitidus papules. Three months ago, in the Proceedings of the Royal Society of Medicine, in the discussion of a case of lichen nitidus, there was some comment by one or two of the discussers to the effect that the Koebner phenomenon in lichen nitidus is not rare. In two cases which were presented from Cook County Hospital the Koebner phenomenon was also present. Blastomycosis. Presented by Dr. D. Omens and (by invitation) Dr. H. Omens and Dr. D. Musgrave. DISCUSSION Dr. Oliver S. Ormsby: From 1901 to 1903 this disease was at its height,