18 
BULLETIN" 758, U. S. DEPARTMENT OF AGRICULTURE. 
© 
S3 
o 
I 
I 
"3 1 
&~~2 
§£gg 
£S 
COCOTiOO-^CiCOOO- 
~ ~ X XNXV1I3' 
lO CO OS "O CO CO CO 00 < 
rHcoiocococococN 5 
H00MOKNONO 
g§| 
co~o 
oco 
iH CO 
CM lO 
43 3 
>3 o3 fi 
c3 ftO 
0?~~.i 
NNNC*ONif00 
ojoccoxcccoceo^ 
CN.-HCNCor^COt~r^C> 
io t? c arTt-^csTrj^ort^ 
NQ!'HCDT!<'<tWrtO) 
io © i-Tood co~ cc"~ic i— i 
U3C<l-*CCiHtHON 
r^cocor-ioooot-- 
lOCNooioiocot^cocN 
ONVWN O'co'tJ^co' 
HNWWNHHrt ' 
X'iHC^i-ihXOCCiO 
CO © — CO X X — — < CO © 
DO 00 OC OS O. CO OS CO «D "3 
~tt <M~ CO Of CO~ tjT CO <N i-H 
CNfflHSN' 
• © O t- O OS CO : 
OWOLONOCWOCSHN 
r* OS iC4 cxi i— i — i «a o X i-h o 
M®ONU5NC<HOOCOO> 
Ncooneooai 
lO CO ■* CO uo CO ■"*! 
CO © © ©i-ir^CN 
©©©■^©©COCNCO©© 
'o'd'ioWccci'cB'od' 
^:t:!C'.r.-<HO 
: CO CN CM CO CO CO 
lOTfi-HCOCNt^lOOOCH^-O 
CMlO'VrHrrlNiHTjiNfflO 
'OOI^COCOCNICNCMXCO'T 
OrtOoxxoicN^a 
cOCOiOCO-^'WHOTfCOcNCM 
£ t~ CO lO TJ" COCN iH 0< 
©©©©©©©©< 
;S§ 
Sfl 
£5 
