PEARSON:-RESULTS OF TREATED SLEEPERS. 
to 
a 
CA 
S3 
H 
o 
Ph 
o.i 
^ 2 
CO 
a 
a a 
ri 
C3 
hJ 
.2 
•Ti 
to 
’> 
rt 
c/3 2 
03 .2 
a. ^ 
a ^ 
o 
• o 
o 
• 'S 
M 
g to 
H o 
r CL. 
I 
