Appendix. 



3. Birds colored olive-green or with some 

 iridescent green or dull green. 



a. Above plain olive-green. 



a'. Below dull olive-yellowish or olive- 

 greenish. 



Female Lutescent Warbler 160 



b\ Below plain gray. 



a". Smaller; slighter bill. 



Female Ruby-crowned Kinglet 



195 



b". Larger; stouter bill. 



Hutton's Vireo . 156 



b. Above dark glossy green; under parts 

 pure white. 



White-bellied Swallow 145 



c. Above velvety green and purplish ; 

 under parts white. 



Violet-green Swallow . 146 



d. General color streaked white, gray and 

 brown, burnished with greenish and 

 bluish iridescence. Length 24 inches. 



Road Runner . . 42 



IV. Birds without any conspicuous color (dull 

 browns, grays, bluish grays, etc.), but with 

 some special markings of black or white.* 

 I. Birds with a conspicuous black cap in 

 contrast to color of back. 

 a. Throat also black; size small. 



[* By special markings I mean such as a black cap, a white line 

 over eye, a black streak on face, a black or clearly defined white throat, 

 conspicuous white bars or spots on dark wings or tail, or clearly 

 defined white markings on a black back, but not the strcakings oi 

 barrings of the body.] 



251 



