Fortunately, membranous enteritis, also known as mucous colic and tubular diarrhea, is not a common condition, as it is often most unyielding to treatment. The disorder may be looked upon as a secondary necrosis of the large bowel, characterized by paroxysmal attacks, principally in neurotic individuals, of abdominal pain, associated with the discharge from the bowel of shreds or masses or tubes of mucoid material. In some cases displacement of the abdominal viscera has been observed; and Einhorn (Medical Record, Jan. 28, 1899, p. 113) has recently reported a series of twenty cases, in twelve of which there was pronounced enteroptosis, which, it is believed, favors the development of the disease, though not its direct cause. A study of the gastric functions in twelve of the cases showed further that the motor activity was increased in eight, while five presented gastric achylia, although there was no concurrence between these two