February in Berkeley, 



Another bird which, although not 

 rare during the winter, may very readily 

 escape detection on account of its quiet 

 manners and dress, is Hutton's vireo. 

 It is a small bird about the size of a 

 warbler, dull, olive-greenish upon the 

 back and whitish on the breast, the sides 

 being tinged with pale yellow. A dull 

 white ring around the eye and its 

 yellowish tone of coloration will serve 

 to distinguish it from Cassin's vireo, 

 another California member of the 

 family. 



Both in February and March the 

 birds have a rather perplexing time in 

 regulating their conduct according to 

 the weather. At this season a hot spell 

 occasionally visits us, and I fancy the 

 puzzled state of mind of the varied 

 robins, the Oregon juncoes, and the 

 American pipits. It is not yet time by 

 at least a month for migrating to begin, 

 yet here is midsummer full upon us. 

 Or again, the humming-birds have com- 

 menced nest building, when a long, pro- 



H3 



