AORTIC ARCHES OF BIRDS — GLENNY 563 



Family Accipitridae 



Species studied 



By Beddard 



Spizaetus sp. 



By Garrod 



Milvus ictinus = Milvus milvus (Lirine) 



Astur palumbarius = Accipter gentilis 

 (Linn6) 



Buteo vulgaris =Buteo buteo (Linn6) 



Archibuteo lagopus — Buteo lagopus (Pon- 

 toppidan) 



Melierax monogrammiciis = Kaupifalco 

 monogrammicus (Temminck) 



Thrasaetus harpyia— Harpia harpyja 

 (Linne) 



Aquila audax= UroaUus audax (Latham) 



Haliaeetus vocifer (Daudin) 



Haliaeetus alhicilla (Linne) 



Aquila naevio'ides— Aquila rapax (Tem- 

 minck) 



Gyps fulvus (Hablizl) 



Neophron percnopterus (Linne) 



Circus cineraceus^ Circus cinereus 



Vieillot 

 Helotarsus ecaudatus=Terathopius ec- 



audatus (Daudin) 

 Spilornis cheela (Latham) 



By Glenny 



Buteo jamaicensis borealis (Gmeliu) 

 (3) 



Buteo lagopus s.-johannis (Gmelin) 

 (3) 



Aquila chrysaetos (Linne) (2) 



Necrosyrtes monachus monachus (Tem- 

 minck) 



Circus cyaneus hudsonius (Linne) 



By Hochstetter 



Aquila naevia= Aquila pomarina C. L. 

 Brehm 



Circus cineraceus = Circus cinereus Vieil- 

 lot 



Family Pandioindae 



Species studied 



By Glenny 



Pandion haliaetus carolinensis (Gmelin) 



Family Falconidae 



Species studied 



By Garrod 



Polyborus braziliensis = Polyborus planc- 



us braziliensis (Gmelin) 

 Falco peregrinus Tunstall 

 Falco jnelanogenys = Falco peregrinus ma- 



cropus Swainson 



Hypotriorchis subbuteo = Falco subbuteo 



Linne 

 Tinnunculus alaudarius = Falco moluc- 



censis (Bonaparte) 



By Glenny 

 Falco sparvarius sparvarius Linne 



Order GALLIFORMES 



Carotids A-1, except for the Megapodidae which are unicarotid; 

 origin of the coracoid and thoracic arteries varies within the order 

 and within the families; ligamentum aortae present; ligamentum 

 botalli usually present, but may be absent in many of the Mega- 



