u 
BULLETIN 77, U. S. DEPARTMENT OF AGEICULTUEE. 
o o 
R P 
C 'J 
tf-aoo^ooow 
ooooooo&o^ 
^E-OE-E-f-E-E-E- 
o o 10 c» — i 10 1 
©xcsLo'cNiociLor^-s oo 1 cctocnnniclom i o wnonmnon-h cs 
V, 05 O . 
o." ■ esps"n cn cn do p» so rt"e<r 
V N © © to © lo lo © lo "5 I 3 
~ "^i^oO — © x rt © cn < 
loloc©loololo©o ! cn 
ccr-.Mc.ic— acsft © 
XiOCrtCNINMr-O t- 
cfrtcJrt cfrtNcfcTcf of 
lO©<M©©CN©©lo © 
tCLO©— ■ i — KNhO LO 
cTcNoicN of— fH cn of I N 
s 5 
K ©©©©©©©©©© ! CN 
S.SL-cxCirXt^-rrtC i — 
Tcrno I lo 
OOOOOQOiOOO I 00 
rSM-C-KiOtN 
' «C — 50 <tf U5 IO BO ■ "T BQ 
I I 
OOOpiOOOO 
rcxNi-rSC- 
© X © CN © — hWOO 
,OOCXrtOCNQ« © 
ccsooort — tort — ©co cn 
.«|iQ<0<OCO«DC0«7<O<C«C CD 
c©c©rt©icrt©© »o 
cnnSsiC'NOOl'; -v 
CO«O«D«0(D<O<OCD<OCO I © 
ecLicccujic us 
,t^C0LOCNLQLOI>-©LO© 
>«- *©t^-<j<CNt^©©r^(5i 
; 15 ilj K5 C c U5 «j uj uj LO LO 
MiCNiOOKSKJiOX I 00 
M0>aNO00Ot>M00 t> 
lf> LO LO LO © Ltj © "0 LO Lfj lid 
•<}■ LO LO T ** ' 
8*8 
— r^rtO©©-<9 , '«"!N-9' 
,5 §8 
c SI'S 
ill 
^"NBXrt-NXX 
g>v.jS 
— -<r ri © cn t — © © © 
CO — I CO <— CN 
pill 
IPI1 
*- CN-»*CNrt©t--CNrt©~^ 
js* • a^cdeoNNOM 
V^-fl' LOrr-vcN — "9<'<rrtC0 
to -JCNCNCNCNCNCNCNCNCSCN 
00 il O-X-CNOONQ 
00 CNrtt~i-C©X©X — X t^ 
ooHO>oai<oat> 
CNCNCN — CN— '— 1<— — 
•g-frtl--— >~LO©Xrt© 
^rtl-^©©©I-^iN»'rt© 
W©t^LO©©©©CNrt© 
LO— LOXXrt©©I~»CN 
© — XXNN-<« CO 
r^x©©©r^©tc4 
LO©©t^©TT©© 
£££ 
i-*CNcO-*rLO©r>-XC«© 
fH CN rt "S" LO © t^ X < 
wNWTL-CNXC 
808 H 0"' 
