PREFACE. 



The Families of birds included in the present and preceding vol- 

 umes of this work are as follows : 



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

 alone. 



Part II, issued October 16, 1902, included the Tanagridse (Tana- 

 gers), Icteridse (Troupials), Coerebidse (Honey Creepers), and 

 Mniotiltidge (Wood Warblers). 



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

 (Wagtails and Pipits), Hirundinidae (Swallows), Ampehda? (Wax- 

 wings), Ptilogonatida? (Silky Flycatchers), Dulidte (Pabn Chats), 

 Vireonidse (Vireos), Laniidse (Shrikes), Corvid* (Crows and Jays), 

 Paridas (Titmice), Sittidoe (Nuthatches), Certhiida? (Creepers), Trog- 

 lodytidse (Wrens), CincUdse (Dippers), Chamaeidae (Wren-Tits), and 

 Sylviidse (Warblers). 



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

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

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

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

 phone or Oligomyodian Mesomyodi, comprising Oxp'uncidae (Sharp- 

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

 Cotingidae (Chatterers). 



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

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

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

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

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

 represented only by the Trogonidae (Trogons). 



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

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

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

 Anisodactylae, with famihes Alcedinidae (Kingfishers), Todidae 

 (Todies), and Momotidas (Motmots); the Nycticoracias, with famihes 

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

 Striges, consisting of famihes Tytonidae (Barn Owls) and Bubonidae 

 (Eared Owls). 



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

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



