P£ARSON:-RESULTS OF TREATED SLEEPERS. PLATE II. 
I 
C9 
*c5 
C 
C3 
O 
P5 
O 
ffi 
c3 
O 
'/2 
C3 
< 3 ^ 
>» 
O 
o 
C5 
O 
o 
bo 
> 
C3 
O 
o 
bo 
*s 
I 
3 
i 
\ 
