14 Land Birds of Nezv England 



Wings and tail moderate; under parts mottled gray; upper 

 parts grayish, showing more or less blue, especially on 

 wings and tail. Bluebird, Young of Either Sex. 

 (P-39-) 



24. Upper parts metallic blue-green; under parts pure white. 



Tree Swallow, Either Sex. (p. 91.) 

 Upper parts grayish brown, glossed on back and head 

 with steel blue; under parts dark mottled gray. Pur- 

 ple Martin, Female, (p. 93.) 



25. Upper parts steel-blue; wings very long; tail deeply 



notched; throat deep chestnut; remaining under parts 

 lighter chestnut. Barn Swallow, Either Sex. 

 (p. 92.) 



Upper parts grayish blue; tail very short; wings moderate; 

 throat gray; remaining under parts yellowish chestnut. 

 Red-breasted Nuthatch, Either Sex. (p. 53.) 



Upper parts rather light blue; neither wings nor tail pecu- 

 liar; under parts of uniform reddish chestnut. Blue- 

 bird, Either Sex. (p. 39.) 



III. GREEN 



CONSPICUOUS EITHER AS MARKINGS, OR AS FORMING A LARGE 

 PART OF THE BODY COLOR. 



26. Bird at least two-thirds as large as a sparrow. Go to 27. 

 Bird less than half as large as a soarrow. Go to 28. 

 Bird larger than a sparrow; upper parts yellowish green; 



under parts greenish yellow. Scarlet Tanager, Fe- 

 male and Male in Fall Plumage, (p. 95.) 



27. Under and upper parts both of a bluish green; wings and 



tail brown. Indigo Bunting, Male. (p. 97.) 



