734 Field Museum of Natural History — Zoology, Vol. IX. 



GROUP G. EGGS MARKED ALL OVER WITH 

 IRREGULAR BLOTCHES, SPOTS OR STREAKS. 



SECTION I. NEST ON BR.\NCHES OF TREES OR 



BUSHES. 



PART I. EGGS LESS THx\N .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 cccnilca. 



Blue-gray Gnatcatcher. 



Eggs, 4 to 5. Size, about .78X.60; bluish white or dull white, 



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



under parts, white; breast streaked with brown. Alelospiza niclodia. 



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 gramniacus. 



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.) 



Bomhycilla ccdroruin. 



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. Molothriis 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 galbiila. 

 Baltimore Oriole. 



