14 Field Museum of Natural History — Zoology, Vol. XIII. 



Order RAPTORES. 

 Suborder Sarcorhamphi. 

 Family Cathartidae — Vultures, Condors, etc. 



Order ACCIPITRIFORMES. 



Family Buteonidae — Hawks, Eagles, etc. 

 " Falconidae — Falcons, Caracaras, etc. 

 " Pandionidae — Ospreys. 



Order Strigiformes. 



Family Bubonidae — Owls. 

 " Tytonidae — Bam Owls. 



Order Psittaciformes. 

 Family Psittacidae — Parrots, Parroquets, etc. 



Order CORACIFORMES. 

 Suborder Steatomithes. 

 Family Steatomithidae — Oil Birds. 



Suborder Alcyones. 

 Family Alcedinidae — Kingfishers. 



Suborder Todi. 

 Family Todidae — Todies. 



Suborder Momoti. 

 Family Momotidae — Motmots. 



Suborder Caprimulgi. 



Family Nyctibiidae — Potoos. 



Caprimtdgidae — Whipporwills, Night-hawks, Goat- 

 suckers, etc. 



Suborder Cypseli. 

 Family Cypselidae — Swifts. 



Suborder Trochili. 

 Family Trochilidae — Himiming Birds. 



