Аннотация:By the term "chronic ulcerative colitis" I refer to a disease of the colon which has been variously named by different writers on the subject. Such men as Wilks and Moxon,1White,2Hawkins,3Jex-Blake,4Bassler,5Stone,6Yeomans,7Lynch and McFarland,8Logan9and Bargen10have evidently been dealing with the same disease under such names as idiopathic ulcerative colitis, nonspecific ulcerative colitis, asylum dysentery, innominate ulcerative colitis, and chronic ulcerative colitis. With the exception of Logan and Bargen in their more recent writings, they all agree that the discovery of any specific cause, such as the bacillus of tuberculosis, bacillus of Shiga, bacillus of Flexner, orEndameba histolytica, in connection with the disorder of the colon, rules out the so-called nonspecific type. Certain writers have thought thatEndameba histolyticaattacked the intestine and produced conditions that resulted in the development of