Contents
Relic of a Lost World: a New Species of Sunangel (trochilidae: Heliangelus) from Bogot
Gary R. Graves
Speciation in Golden-plovers, Pluvialis Dominica and P Fulva: Evidence from the Breeding Grounds
Peter G. Connors, Brian J. Mccaffery, and John L. Maron
Partial Migration in a Population of Greater Prairie-chickens in Northeastern Colorado
Michael A. Schroeder and Clait E. Braun
Use and Importance of Feathers as Nest Lining in Tree Swallows (tachycineta Bicolor)
David W. Winkler
Long-term Dynamics of a Wood Thrush Population Breeding in a Forest Fragment
Roland R. Roth and R. Kent Johnson
Genetic Divergence among Populations of the Hawaiian Duck, Laysan Duck, and Mallard
Robert A. Browne, Curtice R. Griffin, Paul R. Chang, Mark Hubley, and Amy E. Martin
Differential Migration of Blue Grouse in Colorado
Brian S. Cade and Richard W. Hoffman
Age-related Differences in Time Budgets and Parental Care in Wintering Common Cranes
Javier A. Alonso and Juan C. Alonso
Patterns of Predation on Passerine Nests in Marshes: Effects of Water Depth and Distance from Edge
Jaroslav Picman, Maynard L. Milks, and Michelle Leptich
Effect of Heating Nest Boxes on Egg Laying in the Blue Tit (parus Caeruleus)
Y. Yom-Tov and J. Wright
Contributions to Avian Biogeography from the Archipelago and Lowlands of Bocas Del Toro, Panama
Storrs L. Olson
Living with Parasites: Prevalence of a Blood Parasite and Its Effect on Survivorship in the Purple Martin
Priya Davidar and Eugene S. Morton
Genetic Divergence among Populations of a Tropical Passerine, the Streaked Saltator (saltator Albicollis)
Gilles Seutin, Jeffrey Brawn, Robert E. Ricklefs, and Eldredge Bermingham
In Memoriam: Ernst Sch
Ernst Mayr
In Memoriam: Boonsong Lekagul, 1907-1992
H. Elliott Mcclure
Elliott Coues Award, 1992:
The Auk
Covers
Front Matter
The Auk
Back Matter
The Auk
Short Communications
Intraclutch Egg-mass Variation in Geese: a Mechanism for Brood Reduction in Precocial Birds?
Thomas W. Friedl
Analysis of Great Horned Owl Pellets with Rhinoceros Auklet Remains
James L. Galusha and Gladys Frias
The Pacific Golden-plover (pluvialis Fulva): Discovery of the Species and Other Historical Notes
Oscar W. Johnson
Comparison of Rod/cone Ratio in Three Species of Shorebirds Having Different Nocturnal Foraging Strategies
Luz Marina Azuaje, Susan Tai, and Raymond Mcneil
Extended Parent-offspring Relationships in Greenland White-fronted Geese (anser Albifrons Flavirostris)
Stephanie M. Warren, A. D. Fox, Alyn Walsh, and Paddy O'Sullivan
Intergradation Between the Bush-tanagers Chlorospingus Punctulatus and C Ophthalmicus in Western Panama (aves: Thraupidae)
Storrs L. Olson
Effect of Handling Time and Freezing on Catabolic Enzyme Activity in House Sparrow Pectoralis Muscle
Timothy P. O'Connor and Terry L. Root
Dna Fingerprinting in Avian Behavioral Ecology: Two Cultures Arise
Patricia Adair Gowaty and H. Lisle Gibbs
On Egg-laying Times of American Robins
David M. Scott
On the Possibility that Intercontinental Landbird Migrants Copulate En Route
Frank R. Moore and M. Victoria Mcdonald