32 



TABLE. 



1. Clearing up of the typhoid bacilli distributed in the broth. 

 2. Checking of the growth of typhoidbaciili. 



5. Formation of little islands on the agarplate, on which some of the contents 

 out of tube I has been smeared. 



Bacteriophagus Wi negative with regard to 1, 3, 8, 20 



Sm „ „ „ „ Wi, 3, 8, 20, 27, 29 



Re „ „ „ „ Wi, 3, 8, 20, 23, 24, 27, 29. 



Bij agglutination with a highl}^ agglutinating horseserum (Saxoniau 

 serum-works) no difference between the strains could be demonstrated, 

 they all agglutinated to 7,„,„„. 



So it will be necessary to find or to prepare a bacteriophagus 

 which also aff'ects the negative strains. 



For the time being we have not succeeded in vitro to adapt the 

 bacteriophagus to these. So we shall have to wait until a new 



