422 Umversitij of California Publications in Zoology. [Vol. 7 



slope. As the field naturalist approached, one individual would 

 leave, and soon the impulse would communicate itself to its 

 companions, when all would fly for some distance. In general 

 the birds were rather shy. 



Toward the last of July the birds were seen for the most part 

 in companies of two or three, although an occasional lone indi- 

 vidual was noted. 



A female taken on July 25 had the bare breast indicative of 

 brooding. Furthermore, when secured this individual had its 

 beak full of insects, which it may have been carrying to young. 



On July 13 a juvenal was found dead in Alder Creek Lake. 

 A number of young were seen in the higher parts of the moun- 

 tains between that time and August 8. 



Transmitted June 8, 1911. 



