xv] ANAEROBIC BACILLI 381 



of human beings is probably only due to the presence of the 

 foreign bodies themselves (earth, spUnters, &c.) which were 

 the vehicles of the tetanus bacilli ; in the internal organs 

 there is no definite change. In the organs there are no 

 bacilli present, nor was it possible to produce tetanus in 

 other animals by inoculating them with the cord, nerves, 

 blood or spleen of the animals dead of tetanus. In rabbits 



Fig. 155.— Simil.\r Specimen as in rKECEDL\G figure. 

 X 1000. 



Kitasato produced typical tetanus by injection of 0-5 cubic 

 centimetre of broth culture of the tetanus bacillus into 

 the vein of the ear. Also by injection of the culture after 

 trephining into the dura mater Kitasato produced typical 

 tetanus ; but neither in the brain nor in the cord, nor in the 

 blood or other viscera of these animals, could the tetanus 

 bacilli be found. 



