72 
BULLETIN" 51, V. S. DEPARTMENT OF AGEICULT0RE. 
Total 
number 
of sam- 
ples. 
lOCOCOOOcC 
00® o 
CO 
CO cor- 
CM 
oc 
1-i 
o 
S8 
lopq 
t- 
§ 
CO 
""* 
"* 
IC 
1 
CO 
3 
COOi 
■"* 
""* 
(MrH 
1 
1 
o" 
cot^ 
S 
■O "H 
1 
i 
I 
rHCO 
" 
t-Ht-( 
t^T-H 
2 
8 
CO'X 
g 
;^ 
tip' 
coco 
CO 
(M 
i 
lO O 1— 1 «0 CO CO Ol 
r-i^O^T^ 
r-l^l-H (M tHCSI^ 
i t^ 
r 
1 
d 
O 
1 
1 
1 
i 
g C jl. c^ 
--(CC-*<N<M <N(M(N 
'"' 
d 
00 >o 
•O CO -* CO CO CO 
cooo-*.o 
LOtN'* ,-H ,-((Mi-l 
CO 
CO 
o 
1 
1 
< 
1 
3 
•-5 
1 
1 
1 
> 
1 
o 
> 
p 
1 
>> 
1 
1 
11 
1 
p 
1 
o 
1 
C3 
b 
1 
1 
c 
rid 
s 
'c 
1 
