BLUE AND BLUISH BIRDS 
Bluebird 
Indigo Bunting 
Belted Kingfisher 
Blue Jay 
Blue Grosbeak 
Barn Swallow 
Cliff Swallow 
Mourning Dove 
' Blue-gray Gnatcatcher 
Look also among Slate-colored Birds in preceding group, particularly among the 
Warblers there, or in the group of Birds conspicuously Yellow and Orange. 
