EXPERIMENT STATION REPORTS. 



10)5 



-o 

 c 



a 



m 



o 

 o 



a 



g 



's 



J2 



a 



a 



03 



I 

 + 



a 

 3 



-o 

 c 







fe 



^ 



+ 



m 



c. 



a 



J3 



a 



C3 



+ 

 + 

 + 

 + 



a 



4 

 + 



« 



+ 



+ 



w 



n 



a 



m 



+ 



o 



+ 



M 



o 



a 



w 



O 



o 



w 



is 



o 



+ 



a 





a 



a 



I 



+ 



r2 



ca 



O 







-a 

 'o 



03 



-O 



a 



+ 



+ 



