Ancestors 



17 



tiires, now find themselves face to face with the ciihni- 

 nating effort of Nature,— Mankind. They cannot esca])e 



Fig. S. — Seriema, a living descendant of PJtorordchos, with characters of ("lancs, 



Bustards, and Eagles. 1/6 natural size. 



from us, though the least among them laughs to scoi-n 

 our efforts at following through the air. Yet all must 



