MAY, 1907 
NO. 
'%r% 
Hr|& 
OF THE 
sha Mitchell Scientific Society 
■i' ■ ; 
|£S£S 
.<rjrS 
mm 
m 
ISSUED QUARTERLY 
WmSm 
OHAPEL HILL, N. 0., U. S. A. 
TO BE ENTERED AT THE POSTOFTICE AS SECOND CLASS MATTER 
WM&-S%r tfr .', ** 1.1 
