[Transcriber's Note: Emphasis Notation: _Italic_ and =Bold=; [M] and [F] represent male and female symbols respectively. Mathematical Notation - Whole and Fractional Part: 3-5/8; [=_] denotes the long sound, as in [=e]ve and [=u]se; [)_] denotes the short sound, as in [)e]nd and [)i]ll.] DOVER BOOKS ON BIRDS AUDUBON'S BIRDS OF AMERICA COLORING BOOK, John James Audubon. (23049-X) $2.25 BIRD STUDY, Andrew J. Berger. (22699-9) $7.95 BIRD SONG AND BIRD BEHAVIOR, Donald J. Borror. (22779-0) Record and manual $4.95 COMMON BIRD SONGS, Donald J. Borror. (21829-5) Record and manual $4.95 SONGS OF EASTERN BIRDS, Donald J. Borror. (22378-7) Record and album $4.95 SONGS OF WESTERN BIRDS, Donald J. Borror. (22765-0) Record and album $4.95 BIRDS OF THE NEW YORK AREA, John Bull. (23222-0) $7.50 WHAT BIRD IS THIS?, Henry H. Collins, Jr. (21490-7) $2.95 HAWKS, OWLS AND WILDLIFE, John J. Craighead and Frank C. Craighead, Jr. (22123-7) $7.00 CRUICKSHANK'S PHOTOGRAPHS OF BIRDS OF AMERICA, Allan D. Cruickshank. (23497-5) $7.95 1001 QUESTIONS ANSWERED ABOUT BIRDS, Allan Cruickshank and Helen Cruickshank. (23315-4) $4.50 EXTINCT AND VANISHING BIRDS OF THE WORLD, James C. Greenway, Jr. (21869-4) $7.95 BIRD MIGRATION, Donald R. Griffin. (20529-0) $4.50 A GUIDE TO BIRD WATCHING, Joseph J. Hickey. (21596-2) $4.95 _Life Histories of North American Wood Warblers_ _by_ _Arthur Cleveland Bent_ _in two parts Part 1_ _Dover Publications, Inc. New York_ Published in the United Kingdom by Constable and Company, Limited, 10 Orange Street, London W. C. 2. This Dover edition, first published in 1963, is an unabridged and unaltered republication of the work first published in 1953 by the United States Government Printing Office, as Smithsonian Institution United States National Museum _Bulletin 203_. _Standard Book Number: 486-21153-3_ Manufactured in the United States of America Dover Publications, Inc. 180 Varick Street New York 14, N. Y. ADVERTISEMENT The scientific publications of the National Museum include two series, known, respectively, as _Proceedings_ and _Bulletins_. The _Proceedings_ series, begun in 1878, is intended primarily as a medium for the publication of original papers, based on the collections of the National Museum, that set forth newly acquired facts in biology, anthropology, and geology, with descriptions of new forms and revisions of limited groups. Copies of each paper, in pamphlet form, are distributed as published to libraries and scientific organizations and to specialists and others interested in the different subjects. The dates at which these separate papers are published are recorded in the table of contents of each of the volumes.