574 SUMMARY OF CURRENT RESEARCHES RELATING TO 



support of this theory actinomycosis and aspergillosis, diseases caused by 

 fungi normally saprophytic ; tetanus and subacute septicemia, the caus- 

 ing microbes of both of which have their usual habitat in the soil ; and 

 the frequent presence of the pneumococcus in the mouth and nose with- 

 out giving rise to trouble. He applies his theory also to cholera and 

 typhoid, and is not prepared to deny the possible identity of B. coli 

 communis with B. typhosus. He discusses its possible applicability also 

 to tuberculosis. 



Bactericidal Properties of Helminthic Juice.* — L. Jammes and 

 H. Mandoul have studied the bactericidal power of the juice of intes- 

 tinal worms. They found the juice of ascaris (A. megalocepliala, A. vituli, 

 A. mystax) to be devoid of bactericidal power. The juice of taenia on 

 the other hand (T. expansa, T. serrata, T. mesocestoules, T. incrmis) 

 could be infected with certainty only by bacilli with resistant spores. 

 With other microbes it manifested evident but irregular bactericidal 

 properties. When injected into guinea-pigs along with B. tuberculosis 

 it caused a retardation in the evolution of tuberculosis in the animals 

 experimented on. 



Non-flagellate Typhoid Bacilli.f— J. W. W. Stephens has found 

 that certain strains of typhoid bacilli may lose their flagella after having 

 been repeatedly cultivated on the same medium, but that when the strain 

 is passed through an animal, motility is regained. From this it is 

 inferred (1) that it may be necessary to pass a bacillus, e.g. B. dyscn- 

 terire, through an animal, or to examine freshly isolated bacilli, before 

 it is quite certain that they do not normally possess flagella ; (2) that 

 as the foregoing non-flagellated typhoid bacilli reacted normally to 

 the agglutination test, flagella cannot be an essential factor in the pro- 

 duction of this phenomenon. 



* Comptes Benuus, exxxix. (1904) pp. 32!)-31. 

 t Lancet, 1904, II. p. 22. 



