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THE AUSTRAL AVIAN RECORD [Vol. IV. 



Family IV. 



Genus Falco Linnsens 



Tinnunculus Vieillot 

 Hypotriorchis Boie 



Family V. 



Genus Milvus Cuvier 



Avicida Swainson 

 Baza Hodgson 

 Pernis Cuvier 

 Nauclerus Vigors 



Falconinsp 



leracidea Gould 

 Harpagus Vigors 

 lerax Vigors 



Milvinse 



Cymindis Cuvier 

 Elanus Savigny 

 Rostrhamus Lesson 

 Gaynpsonyx Vigors 

 Ictinia Vieillot 



Family VI. Accipitrinse 



Genus Accipiter Brisson 

 Astur Lacepede 

 Ischnosceles Strickland 



Family VII. 



Genus Circus Lacepede 



Polyhoroides Smith 



Melierax G. R. Gray 

 Micrastur G. R. Gray 

 Poliornis Kaup 



Circinse 

 Serpentarnis Cuvier 



Grand Division II. Accipitres Nocturnes 



Tribe III. 



Family I. 



Genus Surnia Dumeril 

 Athene Boie 



Family II. 



Genus Bttbo Sibbald 



Ketupa Lesson 



Family III. 



Genus Syrnium Savigny 

 Nyctale Brehm 



Strigidse 

 Surninse 

 Nyctea Stephens 



Buboninse 



Ejjhialtes Keyserhng and 

 Blasius 



UluUnse 

 Otus Cuvier 



Order II. Passeres 



