198 



•8 



A 



2 





& 



Q 



ANNUAL REPORT SMITHSONIAN INSTITUTION, 1917, 



1 



1 



.S c 



" 1 s « 



3 ^ 5 £ -o ~ 



O k. r3 t 



O £1 £ 



+3 3 



3 a a .2 -o 



