APPENDIX 



b'. Tail long; size very small. 



Black-tailed Gnatcatcher 205 



2. Stripes of black and white or chestnut and white on the head. 



a. Stripes of black, white and chestnut on head and sides of 

 throat; tail black and white. 



Western Lark-Finch 1 24 



b. Stripes of black and white on top and sides of head only. 

 No white on tail. 



White-crowned Sparrow 125 



3. Conspicuous black marks on the sides of face, passing through 

 the eyes; color bluish gray above, pale gray below. Wings and 

 tail conspicuously black and white. 



Shrikes or Butcher-Birds 157-158 



4. Throat-patch black; top of head brown or gray. 



a. Back brown, streaked with black; top of head gray. 

 a. An inhabitant of city streets. 



Male English Sparrow 118 



b'. Smaller, with longer tail. An inhabitant of the sage- 

 brush. 



Black-chinned Sparrow 129 



5. Throat-patch white, in contrast to surrounding regions. 



a. Back mottled brown and gray ; under parts barred white and 

 brown. Bill very small, but opening of mouth very wide. 

 Length, 8 to 1 inches. 



a. Wing bars white; tail forked. 



Western Nighthawk 61 



b'. No white wing bars; tail square, broadly white-tipjjed. 



California Poorwill 60 



b. Back brown, finely dotted with black and white. Bill very 

 long, slender and curving. Length, 5.5 inches. 



Canon- Wren 1 85 



c. White throat bordered by broad black streaks, and these 

 bordered by white streaks. Head gray; back light olive- 

 brown; belly white; flanks buff, streaked. 



Bell's Sparrow I 32 



d. White throat and a breast patch of black; general color 

 above streaked brown, below white. 



Female Horned Lark 85 



6. Forehead and collar on hind neck white; hood on back of 

 head smoky blackish; general color gray. 



Oregon Jay 91 



[1491 



