UNIVERSITY OF CALIFORNIA PUBLICATIONS 
ZOOLOGY 
Vol. 5, No. 12, pp. 361-428, Pls. 33-34, 9 text-figures March 5, 1910 
BIRDS OF THE 1908 ALEXANDER ALASKA 
EXPEDITION 
WITH A NOTE ON THE AVIFAUNAL RELATIONSHIPS 
OF THE PRINCE WILLIAM SOUND DISTRICT 
BY 
JOSEPH GRINNELL. 
(Contribution from the Museum of Vertebrate Zoology of the University of California.) 
CONTENTS. 
PAGE 
Tah sTeoy GEASS net eee eee ner ore Meee gen Re ee tb See Pe OP ON Se ea ORE =e 361 
Check-list of the Species Observed 
General Accounts: Distribution, Biographieal Notes, Variation... 364 
New Subspecies Deseribed: 
COMGGIILESE COMOAENSUS HUT OUAUS nese eens esse eee OB) 
TE UO DUS CUD ESETGUS? MELLO G OCLC, ena ceree nase 383 
COM UEMOLOY ON COLLIE TC meee eae eee ee a8s 
Dryobates pubescens glacialis 
UGS SER ELLOMUUUL COUR STIUULO SC tase ec cen ann reac ene a eee eee eee aa 
Penthestes rufescens vivax ..... & 
Composition of the Prince William Sound Avifauna; Discussion of its 
ry] ] 1 
CO) ARs ee eRe ON ane ee ee ee 419 
Melanism in the Endemic Species ............-.:-:<---.-10-scee-o-eeeee See ae Beers 420) 
= 
INTRODUCTION. 
In 1908, Miss Annie M. Alexander organized a third expedi- 
tion for the purpose of making collections of the vertebrates of 
Alaska. The territory selected for exploration was the Prince 
William Sound region. This lies at the head of the Gulf of 
Alaska, between longitudes 145° and 149°, and latitudes 60° and 
