410 BACTERIA IN INFECTIOUS DISEASES. 



observer Klebs's elongated bacilli belong to the 

 putrid parts, and only invade the necrotic tissues 

 which have succumbed to the attack of the spe- 

 cific typhoid bacillus. 



Eberth also describes a small and comparatively 

 long bacillus, which no doubt corresponds with that 

 of Klebs, which is found isolated and in groups in 

 the superficial layers of the necrotic tissues. " Their 

 appearance and color-reaction show them to be 

 ordinary putrefaction bacteria of the intestinal 

 contents/' As evidence of the number of bac- 

 terial organisms constantly present in the intesti- 

 nal canal of healthy persons, the reader is referred 

 to the photo-micrograph in Plate VII., Fig. 4. This, 

 however, by no means shows all the forms which 

 may be found at different times in the discharges 

 of persons in perfect health. (See also Plate XIII., 

 illustrating the writer's paper on " Bacteria in 

 Healthy Individuals " in Vol. II., No. 2, of " Stud- 

 ies from the Biological Laboratory " Johns Hop- 

 kins University.) 



Coates, of Glasgow, confirms Eberth as to the 

 presence of the bacillus described by him in a dis- 

 eased lymphatic gland removed from a case of 

 typhoid fatal on the ninth day. Crook has also 

 found the bacillus in a case treated in the Fever 

 Hospital of Leeds. 



The writer would simply remark, in regard to 

 this bacillus, that the distinctive character upon 

 which Eberth chiefly relies, seems hardly sufficient 

 to establish it as a distinct species, when we com- 



