60 



BULLETIN 624, U. S. .DEPARTMENT OF AGRICULTURE. 





•sjnuj 



<*«p 



L_> 



CC 







































ajquiiBA jo 



joquinj^ 



















•jTtuj jod speas 



CN!C!S 



ia to "O x 



I- 





I^O coco 

 S3 O CO CO 



g 



g«co 



CN 1 CO'O O CO 

 -^ COO O CO 



r-- 



jo jequmu 



8SEJ9AV 



T-icN CO -* 



CO 





>-5cCJ<r4i-i 



o4 



O CN CO ^ 



CN ' COCNCO 



c4 





5 So 



■jaquin^ 



OOOO 



o 



o o o o 



o 



OOOO 



o 















g'oooo 



o 





OOOO 



o 



OOOO 



o 















5^ 



•jqSp^i 



^oooo 







OOOO 





OOOO 





















^ 























1 : 





OS 



•jaqum^ 



-*ooo 



vH 



^ooo 



CO 



OOOO 



o 



J 



- 



- 



- 



l_" 1 





gNOOO 



r- 





COOO'O 



o 



OOOO 



o 







•^qara^ 



o 





*~* 



CN 













1 ; 







jjCNOOO 







l^OOO 





OOOO 



















^ 













1 







- 



1 : 



CN 



uaqmriNq; 



i-< OO o 



CO 



LOOO.-1 



■* 



OOOO 



"* 





- 





-:- 



•jqgT9Ai 



g ooo c 



t- 





COO O -h 



CN 



ooooo 



CO 

 CN 











,§ co o © a 







-A ~ ~ ~ 





OOOO 























^ 











rt 















T~\ 



?5 



•joqmnx 



-*ooo 



~ 



1 



CO — C CO 



« 



OOOO 



o 









g'r.ooo 



lO 





OOOf 



OS 



OOOO 













■;q§]9^ 



■ 



o 





-- r- 



o 





o 



















^MCCO 











OOOO 























H 



























o 



•JsqTnnjsi 





e£ 



CNOOCC 

 CO 



o 



CsOOO 



LO 









- 



- 



-4- 





§-*OOH 



CM 





SOOOh 



,_, 



LOO o o 



to 













•tjqSraAl 





OO 





" 



LO 





CN 



















««OOf 







to O O CO 





OOOO 























^« 







rt 





rt 

















© 



•jaqran^ 



^ -r CO I - 



-f co 



C\2 

 CM 



tO^<i~CO 



00 



COrtC 



t^ 

















g C^tM 



rH 





OCCMOC 



OS 



CN O 00 CN 



"~* 

















































"W2PA\. 





c 







to 





oi 



















j§ Os —I CN ".O 







r^THTO-* 





iiOOb- 

















































a: 







H 































OSOM 



_, 





OO OS O CO 



CM 



CO O O CN 



^> 



















■jaqtmiNj 



r~ im co -d 



'- 





«rt»C 



•* 



■-I CN 



i-H 

















































CM 





s « s n - 



r~ 





OtN OO 



CO 



HOOfl 



CO 



















•WSiqm. 

































C3C 











"^ 



















,0 CO O 'O CC 



M 





irat^-i<(N 





LOOCN 0C 























^co^-hlo 







i-h rr 



















- 



-:- 







os x X — 



en 





(M -T -i CO 



■* 



t^^CCN to 



LO 















•jaqnm^i 



« <N *0 <M 



lO 





-r --C -~Z 



-* 



-t 



















CN 



























- 



— r- 





g eo o o* a 



■?• 





NCCC 



to 



O to CN l- 



T! 













'TO^Al 































oOC'fC 



5 





O lO 1 - CN 



3 



MHOIC 



LO 





















n-*- 1 ""* 







rHrtrt 

















- 



-4- 







i-* X t~ -? 



to 





^h -r i.o -r 



OS 



N 7-H CD CT 















CN 



•jaqumsj 



H ** *~ '"" 



6C 





t- X CO 



■* 





CN 

















§ © OS o CO 



OO 





LO M — O 



so 



O to. 0C' l- 



~* 



















•wSiSAl 

































a 







to 





to 



















^ re - 7 c 







OCO^ o 





OCOLOL- 























Q """ 







tNCO^- 

























r~CN r^cc 



o 





»-) 0? O-l CM 



oc 



HMOS^ 



c~ 













; 





15 S^ 



•.laqnm^ 



CN — < LO 

 CN.-I 



c 





s=>~ 



to 



CSCNCN 



CO 

















S3 

































CC 2 

 00 c 



•toSfm 



g rt<toocc 



•S tH pj ^ « 



a: 



6 





OOSCSCC 



CO CM 



o 



X 



O OS IT- L- 















o 







-r-rrer 







^I^O o 



1 '^ 



GCi 00 -* r- 



CC 



1-0 to — to 







"c3 



•jaqnmj^r 



to o c -f 



CN T* CO -7 



« 





O = X c 



COO) CN 



CN 



tO O LO ^ 





CM 1 



-* 





gOO«r- 



CO 





coccoc 





CN O !N tO 



CN 



-*o-*o 



CN 





























•^qSraAV 



'< ^~ £? os %. 



cr 





~ v %: y 

 ■* CX) cs oc 



00 



-f-tcc- 



COCNi-i L- 



CN 



:-. 



MNNtH 



to 







^ 











Jj 

































a 





'o 











'S 















































































'c3 





© 











s 

































~'-'i 















<3 



































►> 











> 

































'f> 





T3 











oT 



1 











[ 

























at 5 









a 



. g 



- 









a) 



~ 









CX 













¥•5 1 





















rt 











f 3 1 









c3 





C-" ~^ A 























CX 









t-i 









f-4 









K 



rt 



»- 



a 



< 



d 



CJO 



:- 



— 



'- 



p 



~ 7 



c- 



— 





< Is 



:- 



-*f 



1- 



CD 







IZ 1 _ OS OS OS (3 



I c3 rt '- |rt '- 







5 S os os cr 





§ S os o> o: 



^J OS O OS Os 



1 







*c3 



5 







6 



tf 





-to 





-"« 

















«5 











"5 





































