EXPERIMENT STATION BULLETINS. 



407 



-a 

 'S 



13 



■a 

 a 

 a 



■a 

 a 



C3 



U 



a 



O 00 



>^ CO 





o o 





O CO 









O CO 



05 



eo CO 





t^co 



O^ CO 



^ CO 

 Q^ CO 



■^ Cq r~A r^ ©< (N 



c o 





O CO 



O-H 



COLO 



»Q CO 



CI CO 



CO o 



OOO 



Cj CO 



oo 





00 C> Ci 



Ci CO 



o o 



o >o 



02' -^ 





o o 



Tj* CO 



C;&H 





!iP^ 



c 



C3 



"3 



o 



c3fK 



Co&i, C5fa 



Q Q 



C5&. 



C3tH 



Ofe . 



Cife 



o 



B 



O 



E 

 E 



I 



U 





C3 



P 



o 



& 5 



n 



Q 



H 

 O 



o 

 at 



a 



-1 g. XI 



5 c 



fc, 



o 



a 



3 



ra 



u 



d 



u 



X 

 °3 



HH < 



a 



^ -5 



.5 Sh &. 



W K 



m B3 



CO 



03 



bn 



K ^ « 



o 





_o 

 <s 

 itr 



■£ S 



j3 



fe 





n 



m 



» 



M 



pq 



ffl 



m n 



« 



m 



« 



03 



