Appendix. 



\: Birds with conspicuous bright blue. 

 Females generally grayish or brownish. 



a. Male almost completely blue. 



a' . Wings and tail black; bill thick. 



Western Blue Grosbeak . 138 



b'. Wings blue; belly white; bill slight. 

 Mountain Bluebird . 204 



b. Half or less of the body blue. 



a' . Head pale blue; under parts of body 

 gray tinged with blue. 



Pinon Jay . . . 93 



b'. Head bright blue, with white line 

 over eye; under parts of body largely 

 grayish white. 

 a". Under tail-coverts white. 



California Jay . . 87 



b" . Under tail-coverts blue. 



Santa Cruz Island Jay . 88 



c'. Back wholly blue; breast rufous; 

 size small. 



Lazuli-Bunting . . 139 



d'. Bright blue back with chestnut 

 patch in middle; breast chestnut; 

 throat blue. 



Western Bluebird . . 203 



2. Birds with conspicuous bright red, at least 

 in the male. Females often streaked with 

 brownish and gray. 



a. Upper and lower mandibles crossed at 

 tip. 



Crossbill . . . 108 



242 



