1895 - 96 .] Dr MacIntyre on Bontgen X-Rays. 
139 
be uniform, thick, and the distinctness of the image is somewhat 
increased by moistening the surface at the time of using. By 
means of these screens I have been able to see shadows of the 
bones of the extremities with their joints, the spinal column, 
ribs, sternum, clavicle, and face. The parts of the body which 
have offered the greatest resistance to the rays, and given the least 
satisfactory results in definition, are the cranium and pelvis. In 
these two cases the rays easily penetrated the parts, but definition 
was not quite satisfactory. 
