224 CALIFORNIA ACADEMY OP SCIENCES. 



aquatic food. Nulato, Alaska, common, breeds and is a 

 winter resident along the open streams: Lucien M. Tur- 

 ner, Signal Service Report, 1886. On the Upper Yukon, 

 resident; E. "W. Nelson, Signal Service Eeports, 1887. 



Willamette Valley. 0. B. Johnson. — On all the dash- 

 ing streams in the valley. 



British Columbia. — John Fannin. — An abundant resi- 

 dent. 



Henshaw. Common upon many of the streams of the 

 eastern slope of the Sierra Nevadas from Carson to the 

 Columbia River. 



Sierra Valley. L. B. — June, 1885, rare. 



Ridgway. Most frequently seen on the Sierra Nevada 

 and among the western ranges of the Rocky Mountain 

 system as the Wahsatch and Uintahs, being rarely ob- 

 served in the intermediate area of the Great Basin, al- . 

 though it was encountered at intervals on the higher of 

 the intervening ranges. Truckee River, November 19, a 

 specimen. 



Hoffman. I have met with it only on the western 

 slope of the Sierra Nevada, in a caiion leading down to 

 King's River. The canons leading down to the eastern 

 slope of the mountains toward Independence were also 

 well watered, but no specimens were noted, although 

 they may occur. 



251. Oroscoptes montanus (Towns.) Sage Thrasher. 

 San Diego. L. B. — May, 1881, two specimens; appar- 

 ently rare in San Diego County and southward, although 

 Dr. Heermann " remarked it on several occasions in the 

 environs of San Diego and from thence to Fort Yuma " 

 (Vol. X, P. R. R. R.). Mr. Godfrey Holterhoff wrote 

 May 30, 1884, I have not yet seen it. It was common 

 last summer near National City, four miles from San 

 Diego. 



