632 GAME BIRDS OF CALIFORNIA 



Williams, J. J. 



1902. A study of bird song-s. II. Condor, vol. 4, pp. 65-68. 



1903. On the use of sentinels by Valley Quail. Condor, vol. •"), pp. 146-148, 



1 fig. in t^xt. 



Woodcock, A. E. 



1902. Annotated list of the birds of Oregon. Oregon Agricultural E.\perinient 

 Station, Bull. 68, pp. 117 + 1, 1 pi. 

 Wright, H., and Snyder, G. K. 



1913. Birds observed in the summer of 1912 among the Santa Barbara 

 Islands. Condor, vol. 15, pp. 86-92, figs. 24-25. 



