CONTENTS 
Young Red-tailed Hawks Fully Fledged, May 24th. .Herman T. Bohlman , Frontispiece 
Photographing the Aerie of a Western Red-tail . . William Lovell Finley , 7 photo- 
graphs by Herman T. Bohlman 3 
An Untenable Theory of Bird Migration Wells W. Cooke 8 
Old Fort Tejon Joseph Grinnell 9 
Some Bird Notes from the Central Sierras Charles R. Keyes 13 
Mr. William Dutcher, portrait 17 
The California Sage Sparrow .Joseph Grinnell 18 
Notes from Flathead, 1904 (photograph) P. M. Silloway 19 
Summer Birds of the Papago Indian Reservation and of the Santa Rita Mountains, 
Arizona Harry S. Swarth 22 
A New Code of Nomenclature W. K. Fisher 29 
EDITORIAL NOTES . , 31 
Entered January 16, 1903, at Palo Alto, Cal., as second-class matter. 
SEPARATES 
Separates of articles in The Condor will be furnished by The Nace Printing 
Company, Santa Clara, Cal., at the following uniform rates. All orders for separates 
must accompany manuscript, and be written plainly at the head of the article. No 
separates can be furnished gratis. 
No. of Copies 
50 
75 
100 
2 Pages 
$ 90 
I OO 
I 15 
4 Pages 
$1 35 
1 50 
1 65 
8 Pages 
$2 25 
2 40 
2 65 
12 Pages 
$2 70 
2 95 
3 15 
Cover and Title 
$1 00 
I 25 
I 50 
NOTICE TO SUBSCRIBERS 
Subscribers are particularly requested to send their subscriptions 
directly to Joseph Grinnell, by postal money order, ■ rather than through 
news-dealers, subscription agencies, or other middlemen. 
Subscriptions for 1905 are now due. Remit to 
Joseph Grinnell, 
Pasadena, Cal. 
