26 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 1 39 



Superfamily Cathartoidea, New World Vultures. 

 Family Cathartidae, New World Vultures. 



[Teratornithidae, Teratornis, Cathartornis (fos- 

 sil).] 

 Suborder Falcones, Secretarybirds, Hawks, Falcons. 

 Superfamily Sagittarioidea, Secretarybirds. 



Family Sagittariidae, Secretarybirds. 

 Superfamily Falconoidea, Hawks, Falcons, and Allies. 

 Family Accipitridae, Hawks, Old World Vultures, 

 Harriers. 

 Pandionidae, Ospreys. 

 Falconidae, Falcons, Caracaras. 

 Order Galli formes, Megapodes, Curassows, Pheasants, Hoat- 

 zins. 

 Suborder Galli, Megapodes, Curassows, Grouse, Pheasants. 

 Superfamily Cracoidea, Megapodes, Curassows. 

 Family Megapodiidae, Megapodes. 



[ Gallinuloididae, Gallinuloides ( fossil ) . ] 

 Cracidae, Curassows, Guans, Chachalacas. 

 Superfamily Phasianoidea, Grouse, Pheasants, Turkeys. 

 Family Tetraonidae, Grouse. 



Phasianidae, Quails, Pheasants, Peacocks. 

 Numididae, Guineafowl. 

 Meleagrididae, Turkeys. 

 Suborder Opisthocomi, Hoatzins. 



Family Opisthocomidae, Hoatzins. 

 Order Grui formes, Cranes, Rails, and Allies. 

 Suborder Mesitornithides, Roatelos, Monias. 



Family Mesitornithidae, Roatelos, Monias. 

 Suborder Turnices, Bustardquails, Hemipodes. 

 Family Turnicidae, Bustardquails. 



Pedionomidae, Plainwanderers. 

 Suborder Grues, Cranes, Limpkins, Trumpeters, Rails. 

 Superfamily Gruoidea, Cranes, Limpkins, Trumpeters. 

 [Family Geranoididae, Geranoides (fossil).] 

 [Eogruidae, Eogrus (fossil).] 

 Gruidae, Cranes. 

 Aramidae, Limpkins. 

 Psophiidae, Trumpeters. 



