148 MICROBES AXD HEALTH. 



known cause, poor appetite, slight rise in temperature, 

 little cough, pallid appearance, or there may be pain 

 at the primary seat of the disease. In what is called 

 the second stage the diseased tissue commences to 

 soften. This is indicated by increased cough and more 

 or less free expectoration. There is increased loss of 

 strength, sensations of chilliness, usually in the morn- 

 ing, with slight fever in the evening, night-sweats and 

 increased emaciation. In all these conditions the po- 

 tient usually remains hopeful. Physical signs are 

 omitted. 



Germs. 



Bacteriologists tell us that consumption is caused by 

 a germ, and that the disease is contagious. Contrast 

 the foregoing with the following teachings of bacter- 

 iology : 



The Philadelphia Board of Health teaches that "all 

 cases of tuberculosis of the lungs take origin directly 

 or indirectly from other cases, this is now an established 

 fact." 



The New York Board of Health states that "con- 

 sumption is a disease of the lungs which is taken from 

 others, and is caused by germs." 



The Michigan Board of Health states that "consump- 

 tion is a dangerous communicable disease, and is 

 caused by a germ, etc., etc." 



In the Physician and Surgeon for November, 1899, 

 is an article stating that "there is no longer any dis- 

 pute as to the cause of consumption. Scientists are 



