578 



GAME BIRDS OF CALIFORNIA 



occurrence during that season. Those pigeons wintering in the foot- 

 hills and valleys of California come from the adjacent mountains 

 and from the coast district to the north, in Oregon, Washington and 

 British Columbia. 



Fig. 87. Map showing distribution of the Band-tailed Pigeon in Cali- 

 fornia. The shaded area is that in which all the pigeon population of the 

 Pacific states is believed to concentrate for the winter season. 



The following facts bear upon the question of the source of at 

 least part of the pigeons wintering in California. The species occurs 

 at Blaine, Washington (near the British Columbia boundary), from 

 May 5 to September 15 (Dawson, 1909, p. 555) ; in southern Wash- 

 ington west of the Cascades from May 15 to the end of September 

 (Coues, 1874, p. 386) ; and at the mouth of the Columbia River from 

 May to October (Bendire, 1892, p. 122). In Washington County, 



