Show Shows Evolutionary Process Most curious of all living birds in their way are the hoatzlns of South America which as nestlings aro more like quadrupeds than feathered feath-ered creatures in their mode of getting get-ting about They havo lmand like claws on their wings and climb about In the trees by the aid of these appendages anil their strong little beaks Later in life the claws remarkably enough disappear and the hoatzlns become much like ordinary birds But their development to the eye of tho naturalist tolls a most Interesting story showing as It does how the modern mod-ern bird has been evolved In the space of a few brief weeks It represents repre-sents the passage of millions of years for tho adult hoatzln Is In all respects an uptodate fowl whereas the nestling nest-ling bears a close resoiJlilance to the longextinct aichaeopteryx moat primitive and reptilian of known birds |