BIRDS OP THE PACIFIC DISTRICT. 197 



ance or scarcity of mistletoe berries during the winter 

 months more than on the temperature. 



Poway. F. E. Blaisdell. Common summer resident; 

 first male seen May 6, 1884, the first female May 11. 

 The latter and her mate had commenced a nest in a 

 small oak tree May 11. It does not remain long after 

 breeding; last seen August 2. 



San Bernardino. F. Stephens. Tolerably common 

 summer resident of the valley and foothills. 



Colorado Desert. F. Stephens. March 19-26, 1886. 



Marysville. W. F. Peacock. March 8, 1884, one 

 specimen. It does not breed here. 



Chico. William Proud. Two specimens; [informa- 

 tion verbal; date forgotten]. 



Fort Crook. Baird, Brewer and Ridgway. April, 

 1860, found by Feilner but has not been met with near 

 the coast so far north. 



Hoffman. It was observed in the valley at the north- 

 ern sl-ope of Mt. Magruder, on the eastern timbered foot- 

 hills of the Myo Range, west of Columbus, and again at 

 Spring Mountain, near the old " Spanish Trail," though 

 only at rare intervals. 



Cooper, 1870. On the Colorado I found them numer- 

 ous especially in winter, and they do not migrate much 

 south of latitude 35. I also found them rather common 

 along the Mojave River in December. 



217. Lanius borealis Vieill. NORTHERN SHRIKE. 



British Columbia. John Fannin. Resident, not com- 

 mon. 



Dr. Cooper, 1860. The northern shrike is only a win- 

 ter resident in Washington Territory, appearing along 

 the coast in November and remaining until March. 



Willamette Valley. 0. B. Johnson. Quite common 

 resident. 



