Contents
Nesting Habits of the Pied-billed Grebe
Murl Deusing
Marine Algae in Food of Rhode Island Waterfowl
John J. Lynch
Social Hierarchy in Flocks of the Canary
Hurst Hugh Shoemaker
Pterylosis of the Black Vulture
Harvey I. Fisher
Fluctuations in Numbers of Birds in the Toronto Region
J. Murray Speirs
History of One Hundred Nests of Arctic Tern
Olin Sewall Pettingill Jr.
Habits of White-eared Hummingbird in Northwestern Mexico
Robert T. Moore
Rediscovery of Heleodytes Chiapensis and Tangara Cabanisi
Pierce Brodkorb
Storm Mortality in a Winter Starling Roost
Eugene P. Odum and Frank A. Pitelka
Feeding Behavior of a Northern Shrike
William Montagna
Subspecies of the Spruce Grouse
Leonard J. Uttal
A New Swift from the United States
Charles H. Rogers
Recent Literature
The Auk
Obituaries
The Auk
Index to Volume 56
The Auk
General Notes
Western Grebe in New Hampshire
Eugene J. Goellner
Predatory Instincts in the American Egret
Alexander Sprunt Jr.
African Cattle Heron Taken in British Guiana
Emmet R. Blake
European Widgeon at Louisville, Kentucky
Burt L. Monroe
Pintail Nesting in New Brunswick
Harold S. Peters
White-fronted Goose at Madison, Wisconsin
John S. Main
Bahama Pintail in Virginia
Robert Cushman Murphy
American Scorer at Harrisburg, Pennsylvania
Harold B. Wood
Feeding Habits of Black Vulture
E. A. Mcilhenny
Eastern Sparrow Hawk Feeding on Big Brown Bat
Dayton Stoner
Falcon, Buteo and Harrier Eat Herring Gull
Allan D. Cruickshank
Spring Flight of Golden Plover at Madison, Wisconsin
A. W. Schorger
Purple Gallinule in Maryland
I. Hampe, H. Seibert, and H. Kolb
Recent Observations on the Eskimo Curlew in Argentina
Alexander Wetmore
Western Sandpiper near Chicago
Stephen S. Gregory Jr.
Black Terns in New Brunswick
Harold S. Peters
Spring Record of Dovekie in the Connecticut Valley
Aaron C. Bagg
Left-handedness in the Carolina Paroquet
Francis H. Allen
Starlings Nesting near Rogers, Arkansas
F. D. Crooks
Western Olive-backed Thrush in West Virginia and Tennessee
Alexander Wetmore
Starlings in New Mexico
Philip F. Allan
Seasonal Starling Numbers in Suburban Long Island
J. T. Nichols
Dysmorodrepanis Munroi Probably Not a Valid Form
James C. Greenway Jr.
Kirtland's Warbler at Kalamazoo, Michigan
Josselyn Van Tyne
Mourning Warbler Nesting in the Chicago Region
Frank A. Pitelka
Partial Albinism in a Bronzed Grackle
J. Will Harmon
Eastern Evening Grosbeak at Harrisburg, Pennsylvania
Harold B. Wood
Northern Sage Sparrow on the East Slope of the Rockies in Colorado
Fred Mallery Packard
Three Records from Autauga County, Alabama
Lewis S. Golsan
Notes from Wisconsin
A. W. Schorger
Birds that Feed on Russian Olive
William R. Van Dersal
Correspondence
More Nomenclature in the Genus Quiscalus
Alexander Wetmore
Covers
Front Matter
The Auk
Back Matter
The Auk