18 



O 



I— I M 



CO S 









o 



+> 

 o 

 o 



-p 



a, 



(D 





-3 



u 



PL. 





(ii to to •^ 

 o to to to 



Ci-. (X) CT) CO 

 3 CO CO no 



O rH CM 



to CO CO 



^ C^ <M 



>- CO to O 

 to CO ^ •^ 



r-H LO CO 

 LO U3 in 



CO to to ID 



<M to t- << 

 CO CO CO CO 



l>- C- t- 

 C- t> t~ 



tL, 



t- O CO 



o 



CO CO 00 



fc 



n< O U3 



LO CD Ol 

 LO CO lO 



to CD rH 



Cx4 • • • 



■3 LO rH to 



■^ in in 



t- t- CTl 



to CO to 



CO CO 

 ^ CO 



PQ w 



© 



+5 



a. 

 © 



00 





:3 



-3 



© 



a, 



&^ 



I (M 



I CO 



© 



Cl, to •<J< 

 O 00 CO 



I "^ 



I in 



CO c\j 

 CO »^ 



^ 



^ in 

 in in 



C\J CO 

 CO CD 



CO CO 



fc 



Ct. 



co t- 



I o> 





I CO 



I CO 



I CO 



I in 





in CD 



