Appendix, 



told by' their characteristic flycatcher build — the 

 large head, broad, flattened bill, and weak feet, 

 — in connection with their small size (length from 

 five to six inches) and by their general olive- 

 brownish or grayish color. The western fly- 

 catcher is one of the commonest of the group, 

 being a generally distributed summer resident 

 over nearly the entire State. Color above dull 

 olive-brown, below dusky yellowish, a circle of 

 the same about the eye, and pale bars on the 

 wings. Eggs white, dotted with brown. 

 Nest on mossy bank by a stream. 



79. Traill's Flycatcher; Empidonax traillii 

 (Aud.). 



Color above olive-brown, grayer on head, below 

 white, grayish on sides and pale sulphur yellow 

 on abdomen. Pale wing bands. A generally 

 distributed species in suitable localities. 



80. Hammond's Flycatcher; Empidonax ham- 

 mondi (Xantus). 



Color above olive-gray, neck markedly gray, be- 

 low dark grayish, or oHve, darkest on breast. 

 Small in size and bill very narrow. Eggs 

 white. Apparently rare in California, breeding 

 to the northward. 



81. Wright's Flycatcher; Empiao7iax wrightii 

 Baird. 



Color as in preceding, but lighter gray, with 

 throat often whitish. Outer edge of outer tail- 

 feathers paler, often whitish. Eggs white. A 

 common breeding bird in the mountains. Win- 

 ters in the southern part of the State. 

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