Contents
The Nest and Eggs of the Anianiau
Andrew J. Berger, C. Robert Eddinger, and Sheila C. Frings
An Endangered Osprey Population: Estimates of Mortality and Production
Charles J. Henny and Howard M. Wight
A Comparative Study of the Le Conte's and Sharp-tailed Sparrows
Bertram G. Murray Jr.
Variation in the Eggs of the Shag (phalacrocorax Aristotelis)
J. C. Coulson, G. R. Potts, and Jean Horobin
Foods of Rock and Willow Ptarmigan in Central Alaska with Comments on Interspecific Competition
Robert B. Weeden
Nesting Colonies of Ross' Goose
John P. Ryder
Avian Distribution in Central America
Thomas R. Howell
Periodical Literature
The Auk
Notes and News
The Auk
General Notes
Indian House Sparrow Attacks Grass Snake
S. N. Sen Gupta
Laysan Albatrosses Swallow Indigestible Matter
Karl W. Kenyon and Eugene Kridler
Arteries in the Heart Region of the Greater Shearwater
Robert E. Gobeil
First Record of Smith's Longspur in Connecticut
Walter Bulmer
New Records of Wood Warblers in New Mexico
Dale A. Zimmerman
Siberian Crane Longevity
Malcolm Davis
A Test to Determine if Bobwhite Quail Hunt Crickets by Sound
J. J. Whitesell and T. J. Walker
Swimming Ability of Willow Warbler
Erwin R. Scherner
Apparent Hybridization Between Snow Bunting and Mckay's Bunting on St Lawrence Island, Alaska
Spencer G. Sealy
Extra Toes on a Sooty Tern Chick
Oliver L. Austin Jr.
Red Crossbill Breeding in Minnesota
Oscar W. Johnson
Notes on Fossil Hawks (accipitridae)
Joel Cracraft
A Black-capped Chickadee Variant
Richard J. Low
Diving Times of the Least Grebe and Masked Duck
Donald A. Jenni
White-tailed Tropic-bird, an Addition to the Philippine Avifauna
Pierce Brodkorb, Rodolfo B. Gonzalez, and Domingo Empeso
Survival of Ruffed Grouse Eggs After 24-hour Abandonment
Richard S. Stott and R. B. Brander
Pygmy Owl Attacks California Quail
Thomas G. Balgooyen
Covers
Front Matter
The Auk
Back Matter
The Auk