Contents
Time of Breeding in Relation to Food Availability of Female Great Blue Herons (ardea Herodias)
Robert W. Butler
Prey Selection by Urban-breeding Merlins
Navjot S. Sodhi and Lynn W. Oliphant
Communicative Behavior in Breeding Ospreys (pandion Haliaetus): Description and Relationship of Signals to Life History
Vincent Bretagnolle and Jean-Claude Thibault
Optimal Allocation of Point-count Sampling Effort
Richard J. Barker, John R. Sauer, and William A. Link
Nest-site Characteristics and Nest Predation in Harris' Sparrows and White-crowned Sparrows in the Northwest Territories, Canada
Christopher J. Norment
Intergeneric Phylogenetic Relationships of Swallows Estimated by Dna-dna Hybridization
Frederick H. Sheldon and David W. Winkler
Mitochondrial-dna Variation and Evolutionary Relationships in the Amakihi Complex
Cheryl L. Tarr and Robert C. Fleischer
Morphometric Variability in Redpolls from Churchill, Manitoba
Gilles Seutin, Peter T. Boag, and Laurene M. Ratcliffe
Application of Genealogical-concordance Principles to the Taxonomy and Evolutionary History of the Sharp-tailed Sparrow (ammodramus Caudacutus)
James D. Rising and John C. Avise
Decline of the Rufous-sided Towhee in the Eastern United States
John M. Hagan III
Anatomical Adaptations to Sperm Competition in Smith's Longspurs and Other Polygynandrous Passerines
James V. Briskie
Seasonal Decline in Clutch Size of the Marsh Tit (parus Palustris) in Relation to Date-specific Survival of Offspring
Henrik G. Smith
Sex-specific Growth in Ospreys: the Role of Sexual Size Dimorphism
Charles P. Schaadt and David M. Bird
In Memoriam: Pierce Brodkorb, 1908-1992
Storrs L. Olson
In Memoriam: Gordon W Gullion, 1923-1991
Harrison B. Tordoff and C. Stuart Houston
In Memoriam: Harold H Axtell, 1904-1992
Robert F. Andrle
Erratum: Whittingham Et Al (1992)
Linda A. Whittingham
Index to Volume 110
The Auk
Covers
Front Matter
The Auk
Back Matter
The Auk
Short Communications
Study on Use of Alien Versus Native Plants by Nectarivorous Forest Birds on Maui, Hawaii
George H. Waring, Lloyd L. Loope, and A. C. Medeiros
Nest Defense in Relation to Nesting Stage and Response of Parents to Repeated Model Presentations in the Eastern Kingbird (tyrannus Tyrannus)
Joanne A. Siderius
Variation in Black Bib of the Eurasian Siskin (carduelis Spinus) and Its Role as a Reliable Badge of Dominance
J. C. Senar, M. Camerino, J. L. Copete, and N. B. Metcalfe
Shorebird Predation on Eggs of Horseshoe Crabs during Spring Stopover on Delaware Bay
Gonzalo Castro and J. P. Myers
Natal Dispersal and First Breeding Age in Monk Parakeets
Liliana F. Mart
An Early Miocene Passeriform from Argentina
Jorge I. Noriega and Luis M. Chiappe
Oxygen Consumption and Organ Growth in Sooty Tern (sterna Fuscata) Embryos
Q. Zhang and G. C. Whittow
Egg Formation, Brood Survival, and Cost of Reproduction as Clutch-size-determining Factors in Common Goldeneyes
Markku Milonoff and Pertti Paananen
Common Grackle Anting with Lime Fruit and Its Effect on Ectoparasites
Dale H. Clayton and Jennifer G. Vernon