20 



CIRCULAR 9 12. U. S. DEPARTMENT OF AGRICULTURE 



eq cm eq cq 



e<i re eo re 



eo eq e<i 



CSiC^ieq — (MMM- — IHHHCOM 



cr. o c; oo i> cm re — ^ i> re 

 e<i J>^ x* os re t' Tf' ce ce i> oo 



^MNM050«OMH>OOHe5CO -r^CT- — CT. CNXN- O 



■»tj5ioioi>cc5o^ »-e © — ' tf" <m" rr" co' c : i> x ! ^ r^ — ' re re ; cm cm i> oc 



w >_e tt i> ^ ue co -^ cm — 





SOOCMC — Ot^XOOC: INH 



5- lc — 1> o os co os os cr. o — ~ cm cm i>- 





>0005005005 0ifflO>0(»Nl>(»OiOOOOO>OO^OiO 



g"°5 



os os os OS »c re i-e lc lc — 

 ^^mm- re in 



■ xx-cr.M x os ue — os cr. cr. 



CO CO CO !>■ 00 "* -XCCNXN 



O x x x — os — t- — re — ce 



os r^f^rer-f^t^t^.-ere 



x ~ ~ o cr. os cr. os x x 



-s ? 



s - y a 



- g 



a a 



SsQQO 





^N^ 



i- > M > > ^ 



CSS 



a [a 



"5 a 



CO 



