158 TUBERCULOSIS 
Fic. 32. A PHOTOGRAPH OF THE TUBERCULOUS PROMINENCES OR NODULES THAT HAVE 
DEVELOPED ON THE PLEURA COVERING THE RIBS. (NATURAL SIZE). 
In studying the lesions in a fatal case of tuberculosis one may find 
with varying modifications one or more of the following conditions: 
The primary lesion may be found in any one of the organs or mem- 
branes. Its comparative age is determined by the character of the 
