Art. XVI.—An unusual case of Cancer of Breast, with Tissue Infillration and Cachexia; Child-birth and Post-partum Hemorrhage; Retrogression of Disease and apparent Restoration to Health for more than two years; Excision of Mamma owing to Renewal of Disease; Subsequent Appearance of Cancerous Nodules in the Skin; Death after two more years of slow decline, accompanied by some symptoms pointing to Intracranial Disease; Autopsy; Remarks.