910 Eepoet of State Geologist. 



p^. Color slate or ashy ; belly and first to .third 

 tail feathers white. JuKCO. 132 



Colors plain, somewhere or everywhere streaked 

 or spotted. 



q^. Tail with two to four outer feathers more or 

 less white. ^ 



r^. Length over 7.00; color above, male 

 mainly black; female mainly brown. 



PiPlLO. 136 

 r^. Length under 7'00; above brownish gray, 

 streaked with black and brown. 



POOOJETES. 126 

 g'. Tail with no white feathers. 



s^. Tail small and short; decidedly shorter 

 than wings ; or else tail feathers nar- 

 row and sharp pointed. 

 t^. Size large ; tail and upper tail coverts 

 and wings mainly reddish brown. 



Passebella. 135 



i*. Size smaller; not reddish brown as 



above. 



«"■. Breast more or less yellow; male 



with black patch. Spiza. 141 



u' . Breast not yellowish ; spotted or 



striped above and below, or with 



narrow sharp pointed tail feathers, 



or both. Ammodramtjs. 128 



s^. Tail as long as or longer than wing, or 



tail forked ; or head with black and 



white, or brown and lighter brown 



stripes. 



«'. Tail forked, middle feathers 



shortest; adults not streaked or 



spotted below. Spizella. 131 



v'. Tail not forked, the middlefeath- 



ers not shortest. 



w^. Plumage streaked or spotted 



below, or crown chestnut. 



Melospiza. 134 



w'. Plumage not streaked nor 



spotted below ; or crown with 



black and white ; or brown 



and lighter brown stripes. 



x^. "Wing over 2.75; head striped 



in adults, chestnut in young. 



ZONOTBICHIA. 130 



x^. Wing under 2.75; edge of 



wing yellow. Peucjea. .133 



