CONTi:NTS 
Notes on the Mexican Cormorant (5 Tialftones) . . . ! E. ]V. Nelson 
On the Use of Sentinels by Valley Quail .John J. Williams 
A List of Birds Observed in Cochise Co., Arizona Wilfred H. Osgood 
Notes on the Texan Jay Howard Lacey 
A List of Birds from the Santa Cruz Mts., Cal. Malcolm P. Anderson oxAHubert O. Jenkins 
The Rocky Mountain Screech Owl in Larimer Co., Colorado W, L. Burnett 
The Santa Cruz Island Vireo .Joseph Grinnell 
CORRESPONDENCE 
The A. O. U. Model Law J. A. Allen 
Remarks on the above Walter K. Fisher 
On the ‘Bonding Clause’ of the A. O. U. Model Law E. W. Nelson 
THE EDITOR’S BOOK SHELF 
Reviews of recent literature " .Joseph Grinnell and Walter K. Fisher 
EDITORIALS AND NOTES 
Entered January 16, 1903, at Palo Alto, Cal., as second-class matter. 
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I The Warblers in Color I 
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North American Warblers, with migration 
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