Contents
The Life History of Rieffer's Hummingbird (amazilia Tzacatl Tzacatl) in Panama and Honduras
Alexander F. Skutch
Snowy Owl Migration--1930-1931
Alfred O. Gross
Nesting Habits of the Black Throated Blue Warbler
Katharine C. Harding
The New a O U Check-list
Witmer Stone
Two-year Record of the Ruby-throat's Visits to a Garden
A. L. Pickens and Lura P. Garrison
Some Causes of Mortality among Birds
Frederick C. Lincoln
Manners of Holboell's Grebe in Captivity
F. B. White
Additional Data on the Birds of the Boston Public Garden
John H. Conkey
A Grand Island, New York, Heronry
Albert R. Shadle
A New Honey Creeper from the Amazon
Ernest G. Holt
Obituaries
The Auk
Notes and News
The Auk
Index to Volume Xlviii
The Auk
Dates of Issue
The Auk
Recent Literature
Uchida's 'birds of Mt Fuji'
T. S. P.
The Ornithological Journals
The Auk
General Notes
Breeding of the Great Black-backed Gull and Double-crested Cormorant in Maine
Arthur H. Norton and Robert P. Allen
Bird Predators of Common Tern
C. G. Manuel
Water-turkey Nesting in North Carolina
Robert P. Allen
Rare Birds in Lancaster Co, Pa
W. Stuart Cramer
American Egret in Connecticut
William Vogt
Double-crested Cormorant in the Chicago Area
James G. Suthard
Yellow-crowned Night Heron in Ohio
James Bruce
Abnormal Sets of Heron Eggs in Coastal South Carolina
Alexander Sprunt Jr.
Nesting of the Sandhill Crane in Calhoun County, Michigan
Lawrence H. Walkinshaw
Notes from Southern Alabama
Helen M. Edwards
Notes on Bird Life in Southern Florida
Eugene R. Pike
A Knot (calidris Canutus) in Montgomery County, Ohio
Ben J. Blincoe
The Hudsonian Godwit in the Dominican Republic
Alexander Wetmore
Wilson's Phalarope (steganopus Tricolor) in South Carolina
Alexander Sprunt Jr.
Red Phalarope in Ocean County, N J
Gladys Gordon Fry, Cynthia Dryden Kuser, Cynthia Church, and Laidlaw Williams
Black Vulture Nesting in Washington Co, Tenn
Robert B. Lyle
The Black Vulture in Greenbrier County, West Virginia
Chas. O. Handley
Marsh Hawk Vs Coyotes
Emerson A. Stoner
Barn Owl Nesting in Springfield, Mass
Aaron C. Bagg
The Generic Name Calao
Ernst Mayr
Tragedies among Yellow-billed Cuckoos
Charles W. Townsend
How the Nighthawk Moves Its Eggs
S. A. Grimes
Arkansas Kingbird at Roxbury, Wisconsin
A. W. Schorger
Northern Crested Flycatcher in Western Panama
Frank M. Chapman
An Albino Empidonax
P. A. Taverner
Magpie Breeding in Captivity
Malcolm Davis
The American Magpie (pica Pica Hudsonia) at Point Lookout, Maryland
W. Howard Ball and Edward J. Court
Notes on the Starling (sturnus Vulgaris) in the Northern Parts of Its North American Range
Harrison F. Lewis
Orchard Oriole in the Adirondacks
William Vogt
Western Meadowlark at Battle Creek, Michigan
Lawrence H. Walkinshaw
Icterus Pustulatus, a New Bird to the a O U Check-list
Laurence M. Huey
Nesting of a Pair of Red-winged Blackbirds on a Hilltop
Charles W. Townsend
On the Color of the Iris in the Boat-tailed Grackle
Charles W. Townsend
Lapland Longspur at Brigantine, N J
W. Stuart Cramer
Some Nesting Records from the Vicinity of Washington, D C
Herbert Friedmann and Austin H. Clark
Ammospiza Caudacuta Diversa (bishop) a Valid Race
Harry C. Oberholser
Junco Annectens Baird, in Utah
J. S. Stanford
On the Status of Chlorospingus Olivaceus (bonaparte)
C. Eliot Underdown
Prothonotary Warbler Breeding in West-central Michigan
C. Eliot Underdown
Brewster's Warbler in Calhoun County, Michigan
Lawrence H. Walkinshaw
Palm Warbler Breeding in Michigan
Richard E. Olsen, Humphrey A. Olsen, and Lawrence H. Walkinshaw
Prairie Marsh Wren Wintering near Madison, Wisconsin
A. W. Schorger
Some Unusual Bird Notes from Cheshire County, New Hampshire
Lewis O. Shelley
Bird Life on Brasstown Bald, Georgia
Earle R. Greene
Rare Birds from Keweenaw County, Michigan
Norman A. Wood
Some Additional Notes from Michigan
Leonard W. Wing
Notes on Hawks and Owls in Sevier Co, Utah
J. S. Stanford
Notes on Two Birds from San Diego County, California
Laurence M. Huey
Unusual Nesting Concentration in a Single Tree
Alexander Sprunt Jr.
Use of Former Nest Sites
Myra Katie Roads
Protective Calls of Two Species of Birds
Lewis O. Shelley
Covers
Front Matter
The Auk
Back Matter
The Auk