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. 1 



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 c&rulea. 



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 -90X.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. 



