468 



PROCEEDINGS OF THE ACADEMY OF 



[Oct., 



I o 









3"C 



1^ 



i-HCCeO,-llO>-H.-l-rtH(MI> 0C--HIO 



"1 2-P§ ^^-o H 



lllillli 



•S:SI|IE.3| 





^3 



<^y 



(NiM 10.-H ^ 





- d c 



UJ ^ fn 



^I 



Mil OS SB 



so 







+^ o 5 i 



bC 



=3 ? . 



c3 ^-r^-r 





