BACILLUS OF MORGAN 69 



indol and agglutination in sera from rabbits immunized against 

 typhoid, paratyphoid A and B and dysentery bacilli of groups 

 I, II and III. Then sera were produced against the seven first of 

 the Morgan strains, and each strain tested as to agglutination and 

 complement-fixation in the homologous and heterologous sera. 



It will be convenient to give a short resume of the symptoma- 

 tology of the patients, from whom the strains were isolated. 



I. Acute diarrhoea. Stool fluid without mucous or blood. On plates 

 many colonies of Morgan bacilli. 



II. Man, forty-four years old. During the last years occasionally 

 diarrhoea with blood in stool. 



Some days before examination of stool, admitted to hospital, suffer- 

 ing from an intense attack of "diarrhoea. Abdomen meteoristic. On 

 examination in rectoromanoscop the mucous membrane of the colon 

 appeared swollen, hyperemic and bleeding. 



Plates showed numerous colonies of Morgan bacilli. 



III. Man, thirty years old. The day before admittance to hospital 

 severe pains in abdomen, diarrhoea, vomiting and cramps. Disease 

 lasted one month, all the time showing a gastrointestinal or intestinal 

 character. Stools of broth consistency, containing mucus. 



Plates showed only few colonies of the typical Morgan bacilli. 



IV. Woman, thirty years old. Had suffered from chronic diarrhoea 

 for a long time. Discharged 6 to 7 bloody and mucous stools a day. 

 Plates showed numerous colonies of Morgan bacilli. On examination 

 later on, when the stool had become fecal and only contained traces of 

 glassy mucus, there were no colonies of Morgan bacilli to be found in 

 stool. 



Patient died six months later from cancer of the colon. Cultures 

 from the colon showed no Morgan bacilli. 



V. Woman, forty-five years old. Chronic diarrhoea for two months. 

 Numerous colonies of Morgan bacilli. 



VI. Man, sixty-eight years old. In the last six months before ad- 

 mittance to hospital continual diarrhoea; 6 to 7 stools a day, containing 

 big lumps of mucus and pus. Had grown very lean. 



Diarrhoea continued in spite of treatment, and the patient died 

 twenty-five days after admittance to the hospital.. 



Post-mortem examination: As only the examination of the intestine 

 showed anything of interest only this part of the protocol will be cited. 



