388 



INFECTIVE DISEASES. 



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

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



FIG. 169. TUBERCULAR ULCERATION IOP MUCOSA 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, 



