University of Kansas Publications, Museum of Natural History
Editors: E. Raymond Hall, Chairman, Edward H. Taylor,
A. Byron Leonard, Robert W. Wilson

PRINTED BY
FERD VOILAND, JR., STATE PRINTER
TOPEKA, KANSAS
1950

23-1019

Phylogeny of the Waxwings
and Allied Birds

by
M. DALE ARVEY

CONTENTS

PAGE
[Introduction]476
[Acknowledgments]476
[Nomenclatural History]477
[Materials]478
[Diagnoses]478
[Coloration]485
[Courtship]489
[Nest Building]491
[Food]493
[Skeleton]494
[Skull]494
[Humerus]499
[Pygostyle]502
[Sternum]505
[Relative Lengths of Bones]505
[Leg-trunk Percentages]509
[Arm-trunk Percentages]511
[Musculature]514
[Caudal Muscles]514
[Pectoral Muscles]517
[Hind Limb Musculature]517
[Digestive Tract]517
[Origin of the Species]519
[Conclusions]521
[Summary]524
[Bibliography]525