26 



University of New Hampshire [Sta. Bull. 321 



>^ 



JO 



H 



o 



2: 



- ^ ^ 



i; .r o 



E t 



rt CI 



> 



O 

 O 



o 



CS 



r- t 



n 

 o 2 



oj 





1/5 



<J S E I- ii t- c 

 ^-CooOcurtcdk 



_1 



'Si 





> 



W 



OJ 



> 



2 -> 



en 



■" --HC^iTfcoocjcooos 



5 CM C\i CM CM CNl (^i cm' CM cm" 



IT) 

 cvi 



CS 



o 



c 

 c 

 o 

 I- 



c 



2 



■^'OCN\0'^'-^'"^'^>0 





^ 

 ^ 



> 



2 < 



o 



s 



t/i 



u 



o 



o 

 o 

 o 



o 



o 



o 



o 



o 

 t-i 



o 



XI 



o 



o T o ^^ S 

 U CQ U £1. K ^ 



> 



o 



> 



< 



o 



o 





t^ir, '^l-r-t>0'^\OT}-roo 



2 I 



00 



c 

 o 



.« c 

 u c :: 



4^ ii 



c 

 o 

 p 



:,^ 

 u 



c? 



J W J J u Q 



o 

 I. — 



•C t- 



C 1/1 



b c 2 



^ ^ ;^ 



o 



