FEATHERS 



13 



might be well referred to the picarians when judged from 

 the present standpoint. On the other side the birds of prey, 

 both diurnal and nocturnal, are parrot-like in the arrange- 



ment of their wing feathers. But, curiously enough, Pernis, 

 Pandion, Gypogeranus, and the Cathartidse differ from their 

 allies. This is not the only case where the disposition 

 of the feathers runs counter to the affinities to be 



