PREFACE. 



AKlioiioli iioarly fivo hiuulrod pao-os of tho present volume were 

 j)iiMt('(l (luriiio- the year 11»(»3, the author\s inability to complete the 

 mamiscript in time necessitated suspension of presswork until July, 

 l!K)4; hence i)ul»lication of the volume has })een didayed nuich hevond 

 the anticipated date. 



Part I, issued in H»ol. included the Family Fringillida- (Finches) 

 alone. Part II, issued in I<l()i\ included th(> families Tana<i-i-i<lu' 

 (Tanagers), Icterida' (Troui)ials), Ctei-ebidit (Honey Creepers), and 

 Mniotiltida> (Wood Warblers). The present volume comprises the 

 Motacillida' (Wagtails and Pipits), Tlirundinida' (Swallows), Ampelidu' 

 (Waxwinos), Ptilooonatida' (Silky Flycatchers). Dulidic (Palm Chats), 

 Vinson ida' (Vireos), Laniiche (Shrikes), Corvidre (Crows and Jays), 

 Paridie (Titmice). Sittidae (Nuthatches), Certhiidiv (Creepers). Trotr- 

 lodytida" (Wrens), Cinclidic (Dippers), Chamaidie (Wren-Tits), and 

 Sylviidas (Warblers). Part J V, which is about half completed, includes 

 the Turdi(he (Thrushes), :\Iimidn> (Mocking-birds), Alaudiche (Larks), 

 Sturnida' (Starlino-s). Ploceida' (Weaver P>inls), Oxyruncida' (Sharp- 

 bills), Tyrannidie (Tyrant Flycatchers), Piprida? (Manakins), and 

 Cotingida' (Chatterei's.) 



In the thr(>e volumes which have been published there have been 

 descril)ed a))out twelve hundred and fifty species and subspecies, or 

 al)out two-fifths of the total number of North and Mi(klle American 

 birds. 



Acknowledg-ments are due for the loan of specimens used in the 

 preparation of this volume to those individuals and pul)lic institutions 

 mentioned in Parts I and II. The extent to which these outside 

 sources have been drawn upon may be judged by the following state- 

 ment of the num})er of specimens of Troglodytida^ (Wrens) alone 

 examined in the working up of that family: 



Collection ( .1' the U. S. National Museum 1 ^475 



Collection of the Biological Survey 1 090 



Collection of the American Museum of Natural History 407 



Collection of A . ]']. and O. Bangs 1);)7 



Collection of William Brewster i>4;; 



Collection of the Academy of Natural Sciences of Philadelphia 1 7() 



Collection of the Museum of Comparative Zoology 74 



Collection of Paul Bartscli ;{2 



Collection of the Boston Society of Natural History ( Lafresnaye types) 14 



Collection of William Palmer ". ... 10 



Specimens of Troglodytichc cxamini'd :;.S1S 



Measurements in the pi'cscnt xolumc not ni:i(h' by the author wcit 

 taken by Mr. d. 11. Riley, of the Division of Hiids. 



KonKirr KiiuavAV. 

 Septkmiiku 1-t, l:to4. 



V 



