80 
BULLETIN 949, TJ. S. DEPARTMENT OF AGRICULTURE. 
- 
m 
oo 
CXI 
s 
o 
i 
C3 
ffl 
ft 
1 
V 
CO 
>> 
6 
> 
< 
— 
<3 >» 
^ T3 
— 
- 
X ^ S 
"7 
- 
c Z Z 
— Z 
— ^o 
Z £ 
T i 
HC1 
T 
T 
CO <M <M 
— >. 
<D 
O P- E- 
