Contents
Infestation of Raptorials by Ornithodoros Aquilae
Ralph B. Williams
Longevity of the American Herring Gull
Hubert Marshall
Life History of the Turquoise-browed Motmot
Alexander F. Skutch
Lowery on Trans-gulf Migrations
George G. Williams
The Robin Nests
Minna Anthony Common
Observations on the Birds of the North Atlantic
Rollin H. Baker
Nesting Studies of the Black-billed Magpie in Southern Idaho
Fred G. Evenden Jr.
Recent Observations on Maryland Birds
Robert E. Stewart and Chandler S. Robbins
Birds of the Macmillan Labrador Expedition, 1946
Robert Grayce
Notes on Some Greenland Birds
A. L. Rand
Utah's Book Cliffs and Bird Migration
Ross Hardy
An Ancestral Golden Eagle Raises a Question in Taxonomy
Hildegarde Howard
The Races of Macgillivray's Warbler
Allan R. Phillips
Joseph Mailliard, 1857-1945
Robert C. Miller
Recent Literature
The Auk
Notes and News
The Auk
Obituaries
The Auk
General Notes
Vieillot's Names for the Wild Turkey
W. L. Mcatee
A Very Early Notice of Hawk Migration
J. L. Baughman
The Name of the Continental Race of the Golden Weaver Bird, Ploceella Hypoxantha (sparrman)
H. G. Deignan
Variations in the Plumage of the English Sparrow
John B. Calhoun
Unusual Feeding Habits of Certain Herons
J. C. Dickinson Jr.
Unusual Behavior of a Cooper's Hawk
Frederick C. Schmid
Surf Bird in Yukon Territory
Frederick C. Schmid
Unusual Cowbird Victims
Tilford Moore
Chimney Swifts Bathing
Charles Vaurie
Speed of a Great Blue Heron
C. H. Curran
Albino Robins and Red-wing at Stockton, California
Verna R. Johnston
An Albino English Sparrow (plate 11, Upper Fig)
Richard Stuart Phillips
Unusual Nest of Wood Thrush
Austen Fox Riggs II
Insect Food of the Eastern Sparrow Hawk in Cache Valley, Utah
G. F. Knowlton and P. E. Telford
Strange Behavior of a Broad-winged Hawk
Bartlett Hendricks
Evidence of Polyandry at a Bluebird Nest
Amelia R. Laskey
Snapping Turtles Apparently Preying upon Passerine Birds
Amelia R. Laskey
Golden Eagle Captures Red-shouldered Hawk
Maurice Broun
Brant in Vermont
Robert S. Russell
Evening Grosbeaks in New Brunswick in Late July
R. Dudley Ross
Bullock's Oriole in Arkansas
Frederick C. Lincoln
White Pelican in the Chicago Region
C. Blair Coursen
Notes on the Pomarine Jaeger in the Atlantic and Caribbean
William C. Starrett and Keith L. Dixon
Summering of the Alder Flycatcher in Southwestern Virginia
Henry M. Stevenson
Nesting of Herring Gull in New Jersey
T. E. Mcmullen
Evening Grosbeaks and Purple Finches at Baltimore
Hervey Brackbill
Summer Record of the Marsh Hawk in Middle Tennessee
James N. Layne
Anthony's Green Heron Nesting in Western Oregon
Fred G. Evenden Jr.
Ivory Gull in Massachusetts
Frances L. Burnett
American Egret on Mount Desert Island, Maine
Howard H. Vogel Jr.
Greenland Wheatear in Southern Baffin Island
George Miksch Sutton
A North American Record of the Bean Goose
Ira N. Gabrielson
The Case of the Yellow Warbler
W. E. Clyde Todd
A New Name for Bonasa Umbellus Canescens Todd
W. E. Clyde Todd
Bar-tailed Godwit on Long Island, New York
Carl L. Muller
Correspondence
Covers
Front Matter
The Auk
Back Matter
The Auk