546 DISEASE IN WILD MAMMALS AND BIRDS 
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sources of danger. Not so much the cough-racked con- 
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Chakt W. CHACMA baboon (Papio porcarius). Tuberculous. 
hawks and spits in public places or at home, unaware of 
his malign power! 
The Skin and Eye Tests with Tuberculin. 
The first of these can be dismissed briefly, for in a few 
cases it was absolutely of no value. A known tuberculous 
monkey was injected into the skin of the chest with 0.5 
mg. of old tuberculin. The small bleb disappeared in a few 
hours and was followed by no reaction whatsoever. Other 
