Contents
Eider Ducks of Kent's Island
Alfred O. Gross
Ring-necked Duck Breeding in Eastern North America
Howard L. Mendall
Notes on Migrations of South American Birds
John T. Zimmer
Intelligent Behavior in the Clapper Rail
Olin Sewall Pettingill Jr.
Variations in the Weight of Birds
S. Prentiss Baldwin and S. Charles Kendeigh
Nesting of the Turkey Vulture
W. Bryant Tyrrell
Unpublished Manuscripts by Cotton Mather on the Passenger Pigeon
Arlie W. Schorger
Left-handedness" in Parrots"
Herbert Friedmann and Malcolm Davis
The Song of Kirtland's Warbler
Harold H. Axtell
Recent Observations on the Greenland Wheatear
John Ripley Forbes
Francis Orpen Morris: Ornithologist and Anti-darwinist
Charles A. Kofoid
Some Findings of the Semple Oklahoma Expedition
George Miksch Sutton
Two New Birds from the Kingdom of Siam
H. G. Deignan
Weights and Wing Areas in North American Birds
Earl L. Poole
Mexican Turkey Vulture in Southern Florida
Thomas D. Burleigh
Great Gray Owl in Connecticut
George T. Griswold
Nesting and Re-mating of a Pair of Bluebirds
Harold J. Brodrick
Recent Literature
The Auk
Obituaries
The Auk
Notes and News
The Auk
General Notes
American Egret in Saskatchewan
Ben B. Coffey Jr.
American Egret in the Hudson River Valley
Robert T. Clausen
Melanism in the Black-crowned Night Heron
Frank A. Pitelka
Notes on Colorado Geese
Alfred M. Bailey and Robert J. Niedrach
Black Vulture Following Aeroplane
E. A. Mcilhenny and Rosemary Mci. Osborn
Black and Turkey Vultures in Westchester County, New York
Charlton Ogburn Jr.
The Proportion of Sexes in Hawks
Ernst Mayr
Eastern Goshawk Nesting in Central Michigan
Frederick M. Baumgartner
Early Nesting of the Short-tailed Hawk
Alexander Sprunt Jr.
Bald Eagle Takes Live Fish
Edward J. Reimann
Pigeon Hawk at Cape Hatteras, North Carolina
Otis Boyd Taylor
Additional Notes on Breeding of Black Pigeon Hawk
Hamilton M. Laing
Two Specimens of the Heath Hen from New Jersey
Wharton Huber
American Coot in Puerto Rico
Stuart T. Danforth
Purple Sandpiper in Ohio
James Akers and Gordon Spare
Red Phalarope at Oyster Bay, Long Island
Clement B. Cobb
Red Phalarope in Michigan
Milton B. Trautman
Atlantic Kittiwake in Wisconsin
Murl Deusing
Unusual Perching Habit of the Black Tern
Alexander Sprunt Jr.
Development of Remiges in the Atlantic Murre
Robert A. Johnson
White-eyed' Murres in the British Isles
F. C. Jourdain
Early Date for the White-crowned Pigeon on the Florida Keys
J. J. Murray and Alexander Sprunt Jr.
The Last Passenger Pigeon Killed in Wisconsin
A. W. Schorger
A Diurnal Horned-owl Courtship
Ethel Capen Ayer
Burrowing Owl in the Florida Keys
Alexander Sprunt Jr.
Rediscovery of Agyrtria Luciae (lawrence)
Robert T. Moore
Sennett's Nighthawk in Ohio
Lawrence E. Hicks
Nesting of Salvin's Barbet
C. Brooke Worth
Arkansas Kingbird in South Carolina
Alexander Sprunt Jr.
Arkansas Kingbird in Florida
C. Brooke Worth
Barn Swallow's Nest without Mud
Robert T. Hatt
Raven's Nest in Rockbridge County, Virginia
J. J. Murray
Mockingbirds in Central Western Illinois
T. E. Musselman
A Second Willow Thrush in New Jersey
Charles H. Rogers
Bluebird Nesting in Cliff Swallow's Nest
Ralph C. Preston
Nesting of the Pepper-shrike
C. Brooke Worth
Loggerhead Shrikes and Snakes
Edward J. Reimann
An Injured Starling
Clarence F. Smith
Brewster's Warbler in the Chicago Region
Frank A. Pitelka
Chestnut-sided Warbler Nesting near Baltimore, Maryland
M. Brooke Meanley Jr.
Mourning Warbler Nesting in Wisconsin
O. J. Gromme
West Indian Orioles of the Genus Icterus
James Bond
The Western Meadowlark in Ohio
Lawrence E. Hicks
Second Record of Brewer's Blackbird in Alabama
Thomas D. Burleigh
Red-wing Parasitized by the Cowbird
R. D. Ussher
Hosts of the Cowbird, Molothrus Ater Obscurus
William B. Davis
Nelson's Sparrow in Eastern New York
Joseph Janiec
Eastern Snow Bunting in South Carolina in Summer
E. Von S. Dingle
A Modern Bird Fatality
A. L. Rand
Milk Snakes Vs Birds
Lewis O. Shelley
Noteworthy Records for Nova Scotia
Ronald W. Smith
Observations at Muscongus Bay, Maine
Allan D. Cruickshank
Notes from Vermont
Wendell P. Smith
Notes from the Cape Hatteras Region
Grover Pitts
Notes from St Thomas and Cays, Virgin Islands
Harry A. Beatty
Notes from North Dakota
C. J. Henry
Some Birds of the Black Hills of South Dakota and Wyoming
Pierce Brodkorb and Thomas D. Hinshaw
Three Noteworthy Stragglers in Northern Alaska
Laurence M. Huey
Covers
Front Matter
The Auk
Back Matter
The Auk