470 MICRO-ORGANISMS AND DISEASE [CH. xvi 



Baumgarten has justly pointed out that as in other diseases 

 so also in relapsing fever the enclosure of the spirilla by 

 leucocytes may be only a result of the microbes having pre- 

 viously been killed by other agencies, and that after this 

 they have been taken up by the white cells just like other 

 dead formed matter. 



