460 HISTORY OF THE 



They are composed of stoppings of bark, grasses and weeds, 

 rather loosely woven together, and lined with feathers, and 

 sometimes with fine grasses and hairs. Eggs four or five, .76x 

 .58; light green, sprinkled minutely and regularly with spots of 

 reddish brown; in form, oval. 



Spizella monticola ochracea BREWST. 



WESTERN TREE SPARROW. 

 PLATE XXVHI. 



Winter sojourner in the western to middle portions of the 

 State; rare or casual in the eastern portion. Leave about the 

 first of April; return in October. 



B. . R. . C. . G. , . U. 559<z. 



HABITAT. Western North America; north to the Arctic re- 

 gions; east to Dakota, middle Kansas and Texas; south in win- 

 ter to New Mexico and Arizona. Breeds in Alaska and probably 

 south, in the mountainous regions. 



SP. CIIAK. Similar to 8. monticola, but plumage paler throughout, the ground 

 color of back with little, if any, rusty or rufous, and the black streaks narrower; 

 rufous of crown paler, and frequently (especially in winter) with distinctly indi- 

 cated (sometimes broad and continuous) median ashy stripe; outer webs of greater 

 wing coverts and tertials paler, more buffy or ochraceous; whitish edgings to 

 tail feathers broader; wings and tail longer; bill rather more slender. (Ridgway.) 



The few specimens that I have examined average about the 

 same in dimensions, etc., as the eastern bird, and, from my 

 limited observation and knowledge, their general habits and ac- 

 tions are the same. Eggs, according to Ridgway, .78x.55. 



Spizella socialis (WILS.). 



CHIPPING SPARROW. 

 PLATE XXVIII. 



Summer resident; common in the eastern part of the State, 

 decreasing in numbers westward. Arrive the last of March to 

 first of April; the bulk leave by the last of October. 



B. 359. R. 211. C. 269. G. 107, 228. U. 560. 



HABITAT. Eastern temperate North America; west to the 

 Rocky Mountains; south in winter to eastern Mexico; breeds 

 chiefly in the middle and northern United States. 



SP. CHAR. "Rump, back of neck, and sides of neck and head, ashy. Inter- 

 scapular region with black streaks, margined with pale rufous. Crown contiu- 



