Volume 69, Number 1
January-March, 1952
THE RELATIONSHIPS OF CERTAIN BIRDS AS INDICATED BY THEIR EGG WHITE PROTEINS (DjVu | PDF)
ROBERT A. MCCABE, HAROLD F. DEUTSCH ,  1-18

IN MEMORIAM: FLORENCE MERRIAM BAILEY (DjVu | PDF)
PAUL H. OEHSER ,  19-26

PRINCIPLES AND PRACTICES IN COLLECTING AND TAXONOMIC WORK (DjVu | PDF)
JOSSELYN VAN TYNE ,  27-33

A TRANS-GULF MIGRATION (DjVu | PDF)
HARVEY R. BULLIS, JR., FREDERICK C. LINCOLN ,  34-39

THE AIR SACS OF THE LOON (DjVu | PDF)
H. T. GIER ,  40-49

MOLTING OF NORTHERN YELLOW-THROAT IN SOUTHERN MICHIGAN (DjVu | PDF)
ROBERT E. STEWART ,  50-59

SOME BIRDS FROM THE PALENQUE REGION OF NORTHEASTERN CHIAPAS, MEXICO (DjVu | PDF)
RICHARD E. TASHIAN ,  60-66

THE SIXTY-NINTH STATED MEETING OF THE AMERICAN ORNITHOLOGISTS' UNION (DjVu | PDF)
OLIN SEWALL PETTINGILL, JR. ,  67-80

GENERAL NOTES

White Pelican from the Pleistocene of Oklahoma (DjVu | PDF)
ROBERT M. MENGEL ,  81-82

The Identity of Anser Nigricans Lawrence 1846 (DjVu | PDF)
JEAN DELACOUR, JOHN T. ZIMMER ,  82-84

Records of the Black Pigeon Hawk, Falco Columbarius Suckleyi, in Utah (DjVu | PDF)
RICHARD D. PORTER, HOWARD KNIGHT ,  84-85

Sparrow Hawk, Falco Sparverius, Eats Bread (DjVu | PDF)
FREDERICK E. WARBURTON ,  Page 85

Communal Roosting of American Rough-legged Hawks, Buteo Lagopus Sancti-johannis (DjVu | PDF)
F. J. FREEMAN ,  85-86

Food of a Family of Great Horned Owls, Bubo Virginianus, in Florida (DjVu | PDF)
BARTLEY J. BURNS ,  86-87

Blue Jay, Cyanocitta Cristata, "Anting" with Burning Cigarettes (DjVu | PDF)
F. W. MILLER ,  87-88

Display of Black-capped Chickadee, Parus Atricapillus (DjVu | PDF)
MARGARET B. HICKEY ,  Page 88

Starlings, Sturnus Vulgaris, Catching Insects on the Wing (DjVu | PDF)
HERVEY BRACKBILL ,  88-89

Starlings, Sturnus Vulgaris, Eating Monarch Butterflies (DjVu | PDF)
MAURICE BROOKS ,  Page 89

Nesting, of Bell's Vireo, Vireo Bellii, in Louisiana (DjVu | PDF)
HORACE H. JETER ,  89-90

Number of Contour Feathers on a Cowbird, Molothrus Ater (DjVu | PDF)
LEONARD W. WING ,  Page 90

"Scaly Leg" (Cnemidocoptiasis) in the Red-winged Blackbird, Agelaius Phoeniceus (DjVu | PDF)
JOHN R. OLIVE, VINCENT SCHULTZ ,  90-91

RECENT LITERATURE (DjVu | PDF)
92-120

OBITUARIES (DjVu | PDF)
120-126

Front Matter (DjVu | PDF)

Back Matter (DjVu | PDF)

Cover to Cover (DjVu)

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