B. Sides washed with pinkish brown. 
1. Smaller, back reddish brown. 
2. Larger, back more grayish brown. 
C. Sides gray. 
V. Head or throat with conspicuous black, 
A. Forchead, throat and upper breast black, side of head 
with two white stripes enclosing black. 
B. Crown, throat, and upper breast black. 
1. Outer tail feathers white at the end. 
2. Outer tail feathers without white. 
a. A white spot in the wing 
b. No white spot in wing. 
VI. Crown and breast black, throat white. 
VIL. Crown and side of head black, body cinnamon, 
VIII. Head conspicuously striped, with median line but with- 
out yellow. 
A. Crown black and white or brown and white. No white 
on tail, 
1. Bend of wing yellowish. 
2. Bend of wing not yellowish. 
B. Head variegated, black, white and chestnut. Tail tipped 
with white, 
IX. Head otherwise but still strongly marked. 
A. Whole head and neck white. 
B. Crown rufous. 
1, Remaining plumage chiefly white. 
2. Throat and belly white, back olive-green. 
3. Underparts grayish, back streaked. 
a. Two conspicuous white bars on wing. 
b. Wing without conspicuous bars. 
X. Plumage largely or chiefly streaked and without yellow on 
head. 
A. Streaked practically all over in nearly uniform pattern. 
1. With concealed yellow on wings and tail. 
2. Without such yellow. 
a. Streaks more distinct. 
b. Streaks more blended. 
B. Pattern of upperparts and underparts noticeably different. 
r. Not conspicuously streaked below. 
a. Crown rufous. 
(1). With two white wing-bars. 
(2). Without such wing-bars. 
b. Crown chiefly flaxen, head markings varied. 
c. Merely streaked on head and upperparts. 
2. More or less spotted or streaked below. 
a. Tail with white at least on outer rectrix. 
(1). Throat white 
(2). Throat streaked 
(a). Upperparts grayish brown. 
(b). Upperparts more buffy brown. 
b. Tail without white. 
("). Feathers of tail pointed 
(2). Tail feathers not pointed 
(a). Tail redder brown than the back 
(at). The spots on the underparts gray. 
(bt). Spots on underparts brown 
(a2). Back indistinctly streaked. 
(a3). Grayish brown 
(bs). Clear brown 
(b2). Upperparts unstreaked 
(a3). Upperparts brownish umber. 
(b3). Upperparts rufous. 
(c3). Upperparts umber brown. 
47. Oregon Junco. 
48. Shufeldt’s Junco. 
46. Slate-colored Junco. 
44. Desert Sparrow. 
37. Alaskan Longspur. 
35- a Sparrow. 
B.C. & H. 4. Harris's Sparrow. 
B.C. & H. 3. McCown’'s Longspur. 
68. Black-headed Grosbeak. 
54. Nuttall’s Sparrow. 
53- Gambel's Sparrow. 
38. Western Lark Sparrow. 
36. Snowflake. 
36. Snowflake. 
64. Green-tailed Towhee. 
49. Western Tree Sparrow. 
50. Western Chipping Sparrow. 
30. Pine Siskin. 
33. Cassin’s Purple Finch. 
34. California Purple Finch. 
49. Western Tree Sparrow. 
50. Western Chipping Sparrow. 
B.C. 3. Clay-colored tiara 
51. Brewer's Sparrow. 
45. Sage Sparrow. 
39. Western Vesper Sparrow. 
40. Oregon Vesper Sparrow. 
H. 27. Leconte’s Sparrow. 
63. Slate-colored Sparrow. 
H. 29. Shumagin Fox Sparrow. 
60. Kadiak Fox Sparrow. 
62. Sooty Fox Sparrow. 
61. Townsend's Sparrow. 
H. 30. Yakutat Fox Sparrow. 
