In the following case I have regarded the condition as a distinct malady for descriptive purposes, since hemorrhages were the dominating feature. Symptoms of slight fever and weakness seemed not causative, but natural results respectively of ferment in the ecchymoses and loss of blood. Family History. —The patient's family consisted of father, mother and four children. The patient was the eldest child. The second child, aged 6% years, had marked mitral insufficiency. The mother's pulse-rate was 90 and above. Otherwise the family was without abnormality, peculiarity of predisposition, or taint of previous disease. Patient. —A boy, aged 8, first seen April 27, 1906. At this time the patient had frequent and severe hemorrhage from the nose, gums and palate. Blood exuded from the gums during sleep, soiling the pillow, and leaving small clots distributed generally over the mucous membrane of the mouth and pharynx. There were many ecchymoses in the