W*m 
’ . V 
m 
gHMMI 
... 
B 
mm • 
. ) : ' ' " ?V ; 
v 
v.; ;C : - : .c 
1 - 
K 
'' jit, •* \ 
ipSaftifei 
wmm. 
1 |f§ 
m 
. ■ . . ■ v. 
m sam imm 
mmSm 
n 
r . ’ 
FOSSIL FOOTPRINTS OF BIRDS. 
