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



GROUP 6. EGGS MARKED ALL OVER WITH 

 IRREGULAR BLOTCHES, SPOTS OR STREAKS. 



SECTION i. NEST ON BRANCHES OF TREES OR 



BUSHES. 



PART i. EGGS LESS THAN .85 IN. LONG. 



Eggs, 4 to 5. Size, about .56 x .45 ; bluish white or dull white, 

 marked and speckled with brown. Bird, very small; general color, 

 bluish gray. Polioptila ccerulea. 



Blue-gray Gnatcatcher. 



Eggs, 4 to 5. Size, about .78x.6o; bluish white or dull white, 

 irregularly marked with brown. Nest in low bushes or on ground. Bird, 

 under parts, white; breast streaked with brown. Melospiza melodia. 



Song Sparrow. 



Eggs, 3 to 5. Size, about . Sox. 58; bluish white or dull white, 

 scrawled and marked with dark brown and lilac-gray. Nest, attached 

 to branch, rarely less than 10 or 15 feet from ground. Bird, entire 

 under parts, yellow. (Female.) Icterus spurius. 



Orchard Oriole. 



Eggs, 3 to 5. Size, about .80 x .60 ; white or pinkish white, more or 

 less dotted and scrawled with dark brown and pale gray brown. Bird, 

 under parts, whitish; black stripe on side of throat; cheek showing 

 patch of chestnut. Chondestes grammacus, 



Lark Sparrow. 



PART 2. EGGS FROM .85 TO .95 IN. LONG. 



Eggs, 3 to 5. Size, about .87 x .62 ; pale bluish gray, with scattered 

 markings of black or dark brown. Bird, head with crest; general color, 

 soft grayish brown; belly, yellow; tip of tail, yellow. (Female.) 



Bombycilla cedrorum. 

 Cedar Waxwing. Cedar Bird. 



Eggs, usually i or 2. Size about .87 x .66; deposited in some other 

 bird's nest. Color, white or pale buff, irregularly and thickly 

 marked with brown. Molothrus ater. 



Cowbird. 



Eggs, 3 to 5. Size, about -9ox.67; white, spotted and finely 

 marked with pale brown or lilac-brown. Bird, throat and breast, 

 bright yellow. Icteria virens. 



Yellow-breasted Chat. 



Eggs, 4 to 6. Size, about .92 x .61; dull white, sparsely scrawled 

 and marked with dark brown or blackish. Nest, pendulous, hanging 

 below the branch. Bird, under parts, orange yellow. (Female.) 



Icterus galbula. 

 Baltimore Oriole. 



