DIAGNOSIS OF TUBERCULOSIS. 
887 
% 
Photograph and Radiograph No. i present a portion of a 
pleura with tubercular tumors spread on cardboard. In the 
upper left-hand corner is the radiograph of a dime exposed 
RADIOGRAPH NO. x. 
Portion of Pleura with Tubercles, spread on cardboard. 
simultaneously with the specimen, to show the comparative 
opacity of coin and tumors. 
Photograph and Radiograph No. 2 show a tubercular abscess 
of the lung, which is still in the semi-solid cheesy stage, but 
which, nevertheless, throws quite a dense shadow. 
Photograph and Radiograph No. 3 represent a portion of 
the diaphragmatic peritoneum with tubercular lesions in the 
early stage, when they have a transparent greyish-pink rounded 
and granular appearance, but even here there is sufficient cal. 
careous matter present to cast a shadow upon exposure to the 
rays. 
Photograph and Radiograph No. 4 present a portion of the 
