CONTENTS 
Rufous Hummingbirds Herman T. Bohlman Frontispiece 
Hummingbird Studies William L. Finley, 6 photos by Herman T. Bohlman 59 
The Future Problems and Aims of Ornithology — Tetters from Prof. Alfred R. Wal- 
lace, Dr. L. Stejneger, and Dr. P. L. Sclater 62 
Portraits of European Ornithologists: Dr. Anton Reichenow, Mr. H. F. Dresser, 
PrOf. Count T. Salvadori, Dr. O. Finsch 67 
In Alaska’s Rain Belt Wilfred H. Osgood 68 
Midwinter Birds on the Mojave Desert Joseph Mailliard and Joseph Grinnell 
(3 photos) 71 
Summer Birds of the Papago Indian Reservation and of the Santa RitaMts., Arizona 
Harry S. Swart h (concluded) 77 
FROM FIELD AND STUDY.— Notes by Joseph Mailliard, Frank S. Daggett, Ver- 
mon Bailey, L. Belding, J. S. Hunter, E. I. Applegate, W. W. Price, J. J. 
Williams, L. E. Taylor, W. F. Dean, Earl Morris, R. F. Rooney 82 83 
EDITORIAL NOTES. — Robin Notes, Letter from Prof. Ritter, Portraits of European 
Ornithologists 84 
Minutes of Club Meetings 85 
Directory of Members of Cooper Ornithological Club 86 
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