PREFACE 



The families of birds included in the present and preceding volumes 

 of this work are as follows: 



Part I, issued October 24, 1901, includes the Fringillidae (finches) 

 alone. 



Part II, issued October 16, 1902, includes the Tanagridae (tanagers), 

 Icteridae (troupials), Coerebidae (honey creepers) , and Mniotiltidae 

 (wood warblers). 



Part III, issued December 31, 1904, includes the Motacillidae (wag- 

 tails and pipits), Hirundinidae (swallows), Ampelidae (waxwings), 

 Ptilogonatidae (silky flycatchers), Dulidae (palm chats), Vireonidae 

 (vireos), Laniidae (shrikes), Corvidae (crows and jays), Paridae 

 (titmice), Sittidae (nuthatches), Certhiidae (creepers), Troglodytidae 

 (wrens), Cinclidae (dippers), Chamaeidae (wren-tits), and Sylviidae 

 (warblers) . 



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

 Oscines, namely, the Turdidae (thrushes), Zeledoniidae (wren- 

 thrushes), Mimidae (mockingbirds), Sturnidae (starlings), Ploceidae 

 (weaverbirds) , and Alaudidae (larks), together with the haploophone 

 or oligomyodian Mesomyodi, comprising Oxyruncidae (sharpbills) , 

 Tryannidae (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 Trochilidae (humming- 

 birds) and Micropodidae (swifts), and the Heterodactylae, represented 

 only by the Trogonidae (trogons). 



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

 families Picidae (woodpeckers), Capitonidae (barbets), Ramphastidae 

 (toucans), Bucconidae (puff birds), and Galbulidae (jacamars); the 

 Anisodactylae, with families Alcedinidae (kingfishers), Todidae 

 (todies), and Momotidae (motmots); the Nycticoraciae, with families 

 Caprimulgidae (goatsuckers) and Nyctibiidae (potoos), and the 

 Striges, consisting of families Tytonidae (barn owls) and Bubonidae 

 (eared owls). 



Part VII, issued May 5, 1916, contains the Coccygiformes (cuckoo- 

 like birds), Psittaciformes (parrots), and Columbiformes (pigeons). 



