46 



THE BIEDS OF^AXJSTEALIA 



Genius Aptenodytes. — Tail rather short of 20 feathers, 

 almost hidden by the upper tail coverts. Lower 

 mandible curved downward. 



"Challenger" Report, 

 Crested Penguin (old and young) : Catarrhaetes ehrysocome. 



Genius Catarrhaetes. — Tail relatively long, of 12, 14 or 16 

 feathers. Upper tail coverts short. A superciliary 

 band of golden feathers. Deep grooves on the bill. 

 Lower mandible straight. 



Genus Eudyptula.— Tail very short, of 16, 18 or 20 feathers, 

 concealed by the longer upper tail coverts. Grooves 

 031 the bill inconspicuous. Lower mandible straight. 



