Smithsonian Report, 1915. 



Plate 3. 



Populatt 



■ over 75% ^^^«4.J^E A 



• „ 50% „ p 

 „ 75% Gen, 



o . .... -SPEECH 



s data vmcuHuJi 



LOBS overWO.O^''^ sources. 



ELBWf^fh>m J'«<5?tJ2i« 



Mlawal , . 



\ less than; 



iken 't^ 



-^wl 



Lyck. 



K 



U 



\ 





V* 



SuivaUd 



iUfif 



