Contents
Rapid Atrophy and Hypertrophy of an Avian Flight Muscle
Abbot S. Gaunt, Robert S. Hikida, Joseph R. Jehl Jr., and Lisa Fenbert
100 Years Ago in the Auk
The Auk
Patterns of Nutrient and Energy Expenditure in Female Common Eiders Nesting in the High Arctic
Howard Parker and Halvor Holm
Influences of Time Postmortem, Feeding Activity, and Diet on Digestive Organ Morphology of Two Emberizids
Robert J. Robel, Michael E. Barnes, Kenneth E. Kemp, and John L. Zimmerman
Notes and News
The Auk
Marine Birds Feed at Gray Whale Mud Plumes in the Bering Sea
Bryan S. Obst and George L. Hunt Jr.
Annual Variation of Primary Molt with Age and Sex in Cassin's Auklet
S. D. Emslie, R. P. Henderson, and D. G. Ainley
Tests of Three Hypotheses of Hatching Asynchrony in the Common Tern
Patricia Blair Bollinger, Eric K. Bollinger, and Richard A. Malecki
Speciation, Heterochrony, and Genetic Variation in Hispaniolan Palm-tanagers
Mara A. Mcdonald and Michael H. Smith
The Role of Prolactin in Parental Care in a Monogamous and a Polyandrous Shorebird
Cheri L. Gratto-Trevor, Lewis W. Oring, Albert J. Fivizzani, Mohamed E. El Halawani, and Fred Cooke
Variation in Pied Flycatcher (ficedula Hypoleuca) Mitochondrial Dna
Hakan Tegelstrom, Hans P. Gelter, and Maarit Jaarola
Genetic Variation and Differentiation in the Spotted Owl (strix Occidentalis)
George F. Barrowclough and R. J. Guti
American Woodcock Winter Distribution and Fidelity to Wintering Areas
Duane R. Diefenbach, Eric L. Derleth, W. Matthew Haegen, James D. Nichols, and James E. Hines
Incubation as a Reproductive Cost in Female Wood Ducks
Gary R. Hepp, Robert A. Kennamer, and William F. Harvey IV
Index to Volume 107
The Auk
Covers
Front Matter
The Auk
Back Matter
The Auk
Short Communications
Brood Reduction and Parental Infanticide in Heermann's Gull
Lena P. Urrutia and Hugh Drummond
Notes on Longevity and Flightlessness in Bristle-thighed Curlews
Jeffrey S. Marks, Roland L. Redmond, Paul Hendricks, Roger B. Clapp, and Robert E. Gill Jr.
Possible Causes of Territory Takeovers in a North-temperate Population of House Wrens
L. Scott Johnson and L. Henry Kermott
Measures of Wing Area and Wing Span from Wing Formula Data
Duncan Stuart Evered
A Method of Combined Skin-fluid Specimen Preparation
N. W. Longmore and Walter E. Boles
Evolution of Short Incubation Periods in the Parasitic Cowbirds, Molothrus Spp
James V. Briskie and Spencer G. Sealy