40 



THE UNIVERSITY OF OKLAHOMA 



tci bo bt) be 



.S .5 .S .S 



Q, a a, a 



tfi U^ !/) C/D 



!ti ^ itJ !±i 



o o o o 



C E 



o o 



p^ 



^ :? ;^ ^ 





O oj 



(O O O r-l 





CM <M (N CM 



■iJ c« 00 CO 00 CO 



rt O .— ( 7— I r-l I— I 





<N C\) Cvl CM 



^ ^ xt- rt ro Cj ^O 



a i! 





-CM P-i 



r^ h S P 



G " 



O lO o 



U-3 r-H ,— ( n 



