CONTENTS 
The White-throated Swifts on Slover Mountain (with one photo) . Wilson C. Hanna 
Some Notes from Fresno County, California John G. Tyler 
The Mourning Dove ( Zenaidura carolinensis) in Captivity E. W. Gifford 
A Problem in Indeterminates (with three photos) P. M. Silloway 
The Use of Magpie’s Nests by other Birds (with one photo) . . . .Robl. B .Rockwell 
Swarming of the Ruby-crowned Kinglet • • -J- W. Preston 
The Passing of the Pedro Island Sea Bird Rookery (with two photos by 
Oluf J Heinemann Milton S. Ray 
An Ornithological Trip to Los Coronados Islands, Mexico (with three photos) 
Howard W. Wright 
FROM FIELD AND STUDY 
Nest of the Western Meadowlark (with one photo) Joseph Mailliard 
Condors in a Flock Ralph Arnold 
Scolecophagus carolinus in Colorado George Richards 
The Swamp Sparrow on the Lower Rio Grande Austin Paul Smith 
The American Redstart in Southern California Pingree I. Osburn 
Ancient Murrelet at San Clemente C. B. Linton 
The small American Crossbill in California J. Grinnell 
Winter Notes from Clipper Gap, Placer County E. Adams 
Behavior of a Young Rivoli Hummingbird F. C. Willard 
The Derby Flycatcher ( Pitangus derbianus ) a permanent Resident within our 
Borders Austin Paul Smith 
Flicker Feathers Joseph Mailliard 
Editorial Notes and News 
Correspondence 
Publications Reviewed 
Minutes of Cooper Club Meetings 
Entered as second-class matter February, 1908, at the post office at Los Angeles (Hollywood 
Station) , California, under Act of Congress of March 3, 1879. 
Issued from The Office of The Condor, First National Bank Building, Hollywood, Cal. 
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Price List of C^OOJDCT* Club Publications 
V V V V 
Some of these are very Scarce 
THE CONDOR 
Vol. I — 1899 — Bulletin of the Cooper Ornithological Club. No complete Vols. on hand 
Vol. II — 1900 
Complete 
$3 00 
Vol. 
VII— 1905 
Complete 
$t 50 
Vol. Ill— 1901 
l < 
3 00 
Vol. VIII— 1906 
“ 
- 1 50 
Vol. IV — 1902 
2 00 
Vol. 
IX — 1907 
t * 
1 50 
Vol. V — 1903 
t ( 
1 50 
Vol. 
X— 1908 
a 
- 1 50 
Vol. VI — 1904 
“ 
- 1 50 
Vol. 
XI — 1909 
Subscription 
- 1 50 
Separates:— “List of Land Birds of Placerville, Cal.” (Central Sierra Nevada Mountains) 
By Chester Barlow 
35 pp., ,11 half tones - - 50 cts. 
PACIFIC COAST AVIFAUNA 
No. I — Birds of the Kotzebue Sound Region, Alaska. - 88 pp. and map, 75 cts. 
By J. Grinnell 
No. II — Land Birds of Santa Cruz County, Cal.; By R. c. McGregor - 22 pp., 25 cts. 
No. Ill — Check List of California Birds; By j. Grinnell - 100 pp. and 2 maps, 75 cts. 
No. IV — Birds of the Huachuca Mts., Arizona; By harry s. Swarth - 75 pp-, 50 cts. 
No. V — A Bibliography of California Ornithology; By J. Grinnell 166 pp,, $1 50 
No. VI — Ten-Year Index to The Condor, By h. b. kaeding - 1 00 
Address: J. EUGENE LAW, Business Manager 
Hollywood, Cal, 
Or, W. LEE CHAMBERS, Ass’t Manager 
Santa Monica, Cal. 
When replying to advertisements please mention THE CONDOR 
