PREFACE. 



The Families of birds included in the present and preceding vok 

 umes of this work are as follows : > 



Part I, issued October 24, 1901, included the Fringillidae (Finches) 

 alone. 



Part II, issued October 16, £902, included the Tanagridse (Tana- 

 gers), Icteridse (Troupials), Ccerebidae (Honey Creepers)-, and 

 Mniotiltidae (Wood Warblers). 



Part III, issued December 31, 1904, included the Motacillidae 

 (Wagtails and Pipits), Hirundinidse (Swallows), Ampelidse (Wax- 

 wings), Ptilogonatidae (Silky Flycatchers), Dulidas (Palm Chats), 

 Vireonidse (Vireos), Laniidse (Shrikes), Corvidae (Crows and Jays), 

 Paridse (Titmice), Sittidae (Nuthatches), Certhiidae (Creepers), Trog- 

 lodytidae (Wrens), Cinclidaa (Dippers), Chamaeidse (Wren-Tits), and 

 Sylviidae (Warblers). 



Part IV, issued July 1, 1907, contained the remaining groups of 

 Oscines, namely, the Turdidae (Thrushes), Zeledoniidse (Wren- 

 Thrushes), Mimidae (Mockingbirds), Sturnidse (Starhngs), Ploceidae 

 (Weaverbirds), and Alaudidae (Larks), together with the Haploo- 

 phone or Oligomyodian Mesomyodi, comprising Oxyruncidae (Sharp- 

 bills), Tyrannid83 (Tyrant Flycatchers), Pipridae (Manakins), and 

 Cotingidse (Chatterers). 



Part V, issued November 29, 1911, includes the Tracheophone 

 Mesomyodi, represented by the Pteroptochidae (Tapaculos), Formi- 

 cariidae (Antbirds), Furnariidse (Ovenbirds), and Dendrocolaptidae 

 (Woodhewers) ; the Macrochires, containing the Trochilidae (Hum- 

 ming Birds) and Micropodidae (Swifts), and the Heterodactylae 

 represented only by the Trogonidae (Trogons). 



Part VI, issued April 8, 1914, contains the Picariaa, comprising the 

 families Picidae (Woodpeckers), Capitonidae (Barbets), Ramphastidae 

 (Toucans), Bucconidae (Puff Birds), and Galbuhdae (Jacamars); the 

 Anisodactylae, with famihes Alcedinidae (Kingfishers), Todidae 

 (Todies), and Momotidae (Motmots); the Nycticoraciae, with families 

 Caprimulgidae (Goatsuckers) and Nyctibiidae (Potoos), and the 

 Strigesj consisting of families Tytonidae (Barn Owls) and Bubonidae 

 (Eared Owls). 



Part VII (the present volume) contains the Coccygiformes (Cuckoo- 

 like Birds), Psittaciformes (Parrots), and Columbiformes (Pigeons). 



