20 
BULLETIN 1061, U. S. DEPARTMENT OF AGRICULTURE. 
^■-5 
w 0> p. 
fig 
— r i ~ CO c: O O o 
oo co o >o os o *a tc 
.-I t^> lO lOOOOCr^ 
rH <Ni*«-h<N' 
£3 3? 
iO o o o ■* 
O rtM e®co«5o »o i>- oc i** eo 
O 00 O 5© O O 00 iH 
1*1 t> OJ l> Q iH 00 l~- 
i— ( t~- >C CO i*< CO i* 1 OS 
r-Ti*rrt" io --c~-.c~oc%*<"' ^Toc" 
o r-~ O O "O 
NTfOCC 
CO CN -* <M r- ocooo- 
t^ o. x r-- o k: re oc co • 
MU-rtNC 00 OS i* «3 < 
o>o oo -*c o im <o o -** o o o 
i*i-h o oo oo r~ A ccoo-h'^i-o 
CO CM -Ji «E iS O ^ CM m CO 
eC~«£Tco~io'-^r ^T«;' N ^rco'~C<r 
OOOOffl ONM 
© o -H-oooc-tf r^ o o o cm 
oc >o T^cotccN^ oc :c o o r~ 
COO CONrtM CWfCH 
-H i-H rt CM -H 
©OOOO OOCOlO© 
t^Ot^ifiiti t^COCNJiOt' 
h«hNh CM ^ . 
O OS CM 5C I 
o o oo o o o o o oo ,-< oicoi^f 
o ©' cd cm cm r4 c d « N linOCI 
—l (NNIN^H ,-iCO 04 CM CO CM <N CM rt MCCO- 
ooooo 
-*' t-^ CO CO OS 
• if O) <N » UO -# 00 © i*< 00 it< © © if r- N^MKW © 00 CO LO -* 
^^ifNNti •— I CNH>- O CO *O©C3Os00 OS !>• © © "■*< IN^NOO 
H £ 8 
I* 
© 
s 
O OS 
CM t> 
>©co o cococo os 
<?^ 
^a 
S+f to 
Pi o 
O C3 g 
,NMMO(N t^iO^OSt> CM © CO iO OS NCiONh OS Tti 00 i-O © 
rSS CM CO CM t>- CO iO©00t^t*- -# r- - 
t^oc©r^os iooosoooos 
qfl43 
COO 
i*i © 
t^-t^OO i**t^O<M(M 
N00O t^ 0! 00 ©' O* 
CO 
CM 
i-f CO 
co-<*< 
CO00ONO OOOOKKO O OS <N O O CO 00 00 00 O OS Q O O O 
«HtCOJO!H if if — I O -H ©r^Ost^CO ©00©©© —i oo oc — -t< 
g©t^©CMC0 ©^CMCOCM lOCM^t^oO CO-hCMCS-h ©Hj©i*<<N 
r" - - 
MS 
6". 
r 
i 00 CM CM O © © i*< 
i cm U) r- r~- 
