EFFECTS OF MERCURY ON BONE, 



201 



cancerous-like masses were found in the lungs and internal 

 viscera, and his skeleton was preserved. It will be seen that 

 the shafts of the long bones, and not their extremities, were 



Fig. 33 —Skeleton of Dog. 



Fig. 35. 

 Figs. 34 and 35. — Two views of the Femur. 



attacked. The disease closely resembles what may be observed 

 in many other specimens of so-called syphilitic disease. Yet 

 in this dog we have the positive proof that it was caused by 

 mercury, as all attempts to communicate the syphihs to dogs by 

 inoculation have failed." 



