154 



The Philippine Journal of Science 



1916 



« 



9 



e 



»w* 



■*» 



e 

 o 

 O 





&Og 





s 



05 



Si 



■J 

 ca 



■< 

 H 





( 



^ 



«i4 



S 1 



to 





in 



on 



Ol 



AJ 



on 



»A 



-* 



o 



c* 



OJ 



to 



lA 



lO 







o o 



^ 



s; 



s 





g 



s 



«o 



CO 



s 



i^ 



CO 



^ 



s 



3 



S 3 



<o 



« B 



— 



^Z 







































h Q. 



Ss. . 



00 





g S 



o 



1 



^ 



s 



CO 



iS 



51 



v^ 



? 



r-( 



t* 



to 



^J 





t* 



c» 



s g 





abo 

 tor 



No 



S 







s 



g 



CI 



oo 





2 



g 



S 



s 



00 



r-l 



•& 



2 



s 



00 tt 





^ 1 



*^ 





^^ 



























•« 



to 









i k. • ! 







8 S 



8 





s 



to 





1 





Cl 



o 



»-< 



w 



05 



<o 



t- 00 





a U o 



St 



A 



c 



o 



o 





o 





















^.52 ! 



































_ 



__ 





