388 



INFECTn'E DISEASES. 



showed that tubercle bacilli were present in the breath in phthisis. 

 On the other hand, the experience in consumption hospitals does not 



Fig. ICH.— T-uberculae Uloeeatios iof Muoosa of Human Ileum. 

 Between the ulcers there are tubercular lymph-follicles (Hamilton). 



support this view, there being no evidence of the communication of 

 the disease to nurses and hospital attendants, 



