On the arrangement of the genera of Birds, 393 



**** Subfam. Buteonina. 



Ictlnia. Vieill. — Circus, Aud. — Pernis, Cuv, — Buteo, Auct, 



***** Subfam. Milvina. 



Elanus. Sav. — Nauclerus. — Milvus. Auct, 



IV. Fam. Strigid^. Leach, [Gen. Strix, Linn.] 

 * Subfam. Noctuina. 



Surnia. Bum, — Noctua, Sav, 

 ** Subfam. Bubonina. 

 Scops, Sav. — Bubo. Cuv, 

 *** Subfam. Asionina. 

 Asio, Antiq, [Otus. Cuv,'] 

 **** Subfam. Strigina. 

 Ulula, Cuv. — Strix. Auct. 

 ***** Subfam. Syrniana. 

 Syrnium. Sav, 



V. Fam. ? 



ORDO IT. INSESSORES. [Picae.-^Passeres. Linn,'\ 



TrIBUS. I. FiSSIROSTRES. CuV. 



I. Fam. Meropid.e. [Gen. Merops, Linn.] 

 Merops, Linn, [Apiaster. Briss.] 



IL Fam. Hirujidinid^. [Gen. Hirundo, Linn.] 



Cypselus, 111, [Apus. Cuv, Micropus. Meyer,'] — Hirundo, 

 Auct, 



III. Fam. CaprimulgidjE. [Gen. Caprimulgus, Linn.] 

 Caprimulgus, Auct. — Podargus. Cuv, — JEgoiheles.* — Stea- 



tornis. — Nyctibius. Vieill. 



IV. Fam. ToDiDiE. [Gen. Todus. Linn.] 



Eurylaimus. Horsf, — Eurystomus. Vieill, [Colaris. Cmp.]— 

 Todus. Auct. 



* This is a New Holland genus, which has been characterized by Dr. 

 Horsfield and myself, in a paper lately read before the Linnean Society on the 

 Australian Birds in the Society's Collection. 



