4 THE MICROSCOPE. Jan. 
A medical man was recently present and assisted in 
an autopsy on a person, blind from birth, who had ac- 
quired a marvellously delicate ‘piano touch” during life. 
He wished to discover by scalpel and microscope why the 
blind man had such an extraordinary sense of touch. 
The inner surfaces of the index and middle fingers of the 
right hand were carefully sliced off, so that sections of 
perhaps a sixteenth of an inch in thickness were ob- 
BRAINS IN THE FINGER TIPS. 
a Nerve in the finger of average man. 
6 Brain cell-like nerve in blind man’s finger. 
c A grey matter cell in the rind of the brain, 
tained. These were carefully placed on a slide and ex- 
amined under a high power. 
Instead of a single nerve trunk and artery and vein as 
is found in the finger of the average man (fig. 1 b), there” 
was the delicate and complex ramification of nervous fila- 
ments shown (fig. 1,c). An immense number of dainty 
and minute nerve twigs branching off from the main stem 
are to be seen. 
