30 



N. H. EXPERIMENT STATION 



[Bulletin 236 



<S 

 U 



!=| a 



o 



to 



02 





i • " 





o 



c 



03 

 t3 



m 





o t- 



C M 



O lO 



o in 

 o CO 



c'ci 



OOl 

 O 00 



oin 



CO) 

 IN-* 



0(N 



to 00 



o to 



O >-H 



in '^ 

 in lo 



O «D 

 CO 



efo 



c o 



in ^c 

 ■*•* 



C 0-. 

 CO 



d -H 

 00 to 



O 00 



oco 



in in 

 ■^Tf 



6f^ 



o i> 



o « 



d 00 

 in ■« 



CO 

 O M 



c -^ 

 to >o 



oin 

 c o> 



IC' 00 



On 



O Cj 



in CO 

 ■<i< ^ 



6fe 



05 



o 



p. 

 o 





C3 



2S 



7i 

 o 



o 



IS 



u . 

 S b 

 (liO 



c =s £ 

 5 = > 



So- 

 ot) 



be 

 -d c ■ 



t3 r. c 

 o 





Ml 



C O.S 

 O O-T- 



be M 

 C CpQ 





w ^-.^- 



tj 

 02 



^ he CO 



(B (D « 

 JS J=[i| 



CQ 



02 



CQ 



M 



{H ^ -*^ - 



3 



3 pl 



«5| 



S^ . 



S o c 

 £Qo 



0-? 



^Q o 



in • w 



O o 



«= n 

 ^ ° 



"" o' "5 



p. 



* ■ C3 



a K te 



cC j_, 



« 



5^ tf 



c 



13 



C =8 

 ■►^ c! . 



S 03 



(3 IJ K 



03 r- 



-So 



1-3 



