206 FIELD MUSEUM OF NATURAL HISTORY ZOOLOGY, VOL. IX. 



Crown, rufous brown; rump, pale olive brown; upper mandible, 

 black; under mandible, pale, with dark tip; back, streaked. 



Spizella monticola. 

 Tree Sparrow. 



See No. 259. 



Crown, black and white ; no yellow on crown or in front of the eye ; 

 lores, gray; throat, ash gray; edge of wing, yellow. Western species 

 of possible accidental occurrence within our limits. 



Zonotrichia leucophrys gambelii. 

 Gambel's Sparrow. 

 See No. 2$6a.. 



Crown, pale chestnut brown; rump, olive brown; bill, reddish 

 brown; back, streaked. Spizella pusilla. 



Field Sparrow. 

 See No. 262. 



PART 5. The following species have no red, blue, green, or yellow 



on the under parts ; throat, more or less (sometimes only chin) 



black, and the breast or sides distinctly streaked: 



A black spot on the chin; crown, with more or less metallic red; 

 rump, streaked; bill, yellowish, with dark tip. Common on Atlantic 

 coast. Acanthis linaria, and races. 



Redpoll. 

 See Nos. 241, 24ia. 



