PROCEEDINGS 
OF THE 
CALIFORNIA ACADEMY OF SCIENCES 
FourtTH SERIES 
VoL II, Pr. II, No. 13, pp. 189-258 June 16, 1919 
EXPEDITION OF THE CALIFORNIA ACADEMY OF 
SCIENCES TO THE GALAPAGOS 
ISLANDS, 1905-1906 
XIII 
Field Notes on the Land Birds of the Galapagos 
Islands and of Cocos Island, Costa Rica 
BY 
Epwarp WINSLOW GIFFORD 
Associate Curator of the Anthropological Museum, 
University of California 
PRINTED FROM THE ff 
JOHN W. HENDRIE PUBLICATION ENDOWMENT y -+ 
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13 
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SAN FRANCISCO 
PUBLISHED BY THE ACADEMY 
1919 
