APPENDIX 
481 
2'. Under parts without yellow. 
3. Upper parts brown, streaked. 
4. Crown striped black and white ; under parts gray or white. 
Crown Sparrows ; see Zonotrichia , p. 337. 
4 . Crown black; chest black. 
, Lapland Longspur ; see Calcarius, p. 325. 
3 . Upper parts not brown streaked. 
4. Throat with black patch. 
5. Back streaked with black. 
Black-throated Gray Warbler, p. 418. 
5'. Back not streaked. 
6. Black of throat extending over chest. 
Black-throated Sparrows ; see Amphispiza , p. 350. 
6'. Black of throat not extending over chest. 
Chickadees ; see Parus, p. 455. 
4'. Throat without black patch. 
5. Tail forked, plumage marked with salmon or red. 
SCISSOR-TAILED FLYCATCHER, p. 246. 
5'. Tail not forked, plumage not marked with salmon or red. 
6. Back blue black or bluish gray ; length 4-6. 
7. Back blue black ; throat chestnut. 
Cliff Swallow, p. 384. 
7\ Back bluish gray. 
8. Tail extremely short . Nuthatches ; see Sitta, p. 453. 
, 8'. Tail long . . Gnatcatchers ; see Polioptila, p. 465. 
6'. Back gray, brownish gray, or ash gray ; length 8-13. 
7. Tail mainly black or white; back of head gray. 
8. Tail mainly white ; length about 12-13. 
Nutcracker, p. 282. 
8'. Tail mainly or wholly black ; length about 7.50-10.75. 
9. Belly brown. Say Phoebe, p. 255. 
9'. Belly gray or white . Shrikes ; see Lanius , p. 391. 
7\ Tail mainly gray ; back of head black. 
Oregon and Rocky Mountain Jays ; see Perisoreus , 
p. 277. 
II. BIRDS WITH YELLOW IN PLUMAGE. 
1. Under parts mainly or wholly yellow. 
2. Upper parts streaked . . . Meadowlarks ; see Sturnella, p. 292. 
2'. Upper parts not streaked. 
3. Plumage yellow and green, without gray or black. 
Yellow Warblers ; see Dendroica , p. 407. 
3'. Plumage with gray or black. 
4. Length about 6.50-10.50. 
5. Head and neck red, yellow, black, or yellow and black. 
6. Head and neck red .... Louisiana Tanager, p. 379. 
6'. Head and neck black, or yellow and black. 
7. Upper parts olive green, lores black. 
Long-tailed Chat, p. 426. 
7'. Upper parts black and yellow. 
Orioles ; see Icterus , p. 293. 
5'. Head and neck gray. 
6. Wings and tail marked with rufous. 
Crested Flycatchers ; see Myiarchus , p. 251. 
