20 



N. H. ExPERiMEKT Station 



3 



.s 



o 

 Q 



o 



Ol 



25 

 O 



M 

 O 



c^ 



05 



M 



Q 



-j5 



* 



ft S 





cc 



■73 



a 



a 

 a 

 P. 



C3 

 1-3 



^-•31 



r-^ 00 



CO c 





O 



Eh oj 



o .n 



ft 



o 



p:! 



-t-> 



a- o) 



— o 



O ft 



P. - 

 o >. 



^% 



03 



<v 



o • 



.E! C 



a 



•- 00 



CO 

 00 



o 

 to 



00 



00 



CO 



CO 



00 



in 



in 



00 



in 



CO 

 00 



in 



p. 

 c 



T3 

 01 







a 



0) o 

 JcC o 

 1-1 j3^ 



. 01 

 > 01 



<« 



o 



a 01 



n 



5fcl ^ 



d 



o 



W O 



o 

 O 



t3 



