Contents
The Giant Swiftlet, Collocalia Gigas Hartert and Butler
Soekarja Somadikarta
Overlap in Feeding Habits of Redwinged Blackbirds and Common Grackles Nesting in a Cattail Marsh
John C. Snelling
The Relationships of Sparrows in the Genera Ammodramus, Passerherbulus, and Ammospiza with a Description of a Hybrid Le Conte's X Sharp-tailed Sparrow
Bertram G. Murray Jr.
Appendicular Myology of Kirtland's Warbler
Andrew J. Berger
Analysis of Spring Migration of Lapland Longspurs to Alaska
George C. West, Leonard J. Peyton, and Laurence Irving
The Relationship of Purple Martins to Mosquito Control
Herbert W. Kale II
Bill Color Changes in Adult Roseate Terns
Grace Donaldson
Periodical Literature
The Auk
Correspondence
The Auk
Index to Volume 85
The Auk
General Notes
Tongue-flicking by a Feeding Snowy Egret
P. A. Buckley and F. G. Buckley
The Natal Plumage of the Lesser Prairie Chicken
George M. Sutton
The 1966 Status of 24 Nest Sites of the Bald Eagle (haliaeetus Leucocephalus) in East-central Florida
J. C. Howell
Encounters Between Bald Eagles and Other Birds in Winter
Anthony J. Erskine
Nesting Performance and Pesticide Residues in Alaskan and Yukon Peregrines in 1967
James H. Enderson, David G. Roseneau, and L. G. Swartz
Lack of Association among Duck Broodmates during Migration and Wintering
R. K. Martinson and A. S. Hawkins
The Incubation Period of the Knot
David N. Nettleship
Aggressive Behavior in Inexperienced Young Ringed Turtle Doves (streptopelia Risoria)
Erich Klinghammer
Winter Molt in the Acadian Flycatcher, Empidonax Virescens
Melvin A. Traylor
Sharp-tailed Sandpiper Collected in Florida
John C. Ogden
Additional Bird Records for Southern Nevada
George T. Austin
A Nest of the Rufous-breasted Hermit with Three Eggs
F. Haverschmidt
Note on the Mating Behavior of the Least Tern, Sterna Albifrons
Katherine Von Schmidt
What is Pionus Reichenowi (heine)?
Charles E. O'Brien
Parus Rufescens Levyi a Nomen Novum for P R Caliginosus Burleigh
Thomas D. Burleigh
Robins Feeding on Hairy Caterpillars
Eugene S. Morton
Nest-robbing by Cooper's Hawks
R. Wayne Nelson
A Brant Specimen from Alabama
Thomas Z. Atkeson Jr.
Egg Puncturing Behavior in Laughing Gulls
Salvatore F. Bongiorno
Covers
Front Matter
The Auk
Back Matter
The Auk