176 VERTEBRATES: BIRDS. 



a half inches long, the wing three and a quarter inches ; 

 the color of the upper parts olive-green, the forward half 

 of the under parts, including the inside of the wing, 

 gamboge-yellow ; the rest of the under parts white. 



The Long-tailed Chat, /. longicauda, Lawr., of Western 

 North America, is seven inches long, and very similar to 

 the preceding, but with a longer tail. 



The Genus Helmitherus has the bill large, stout, com- 

 pressed, about as long as the head, with neither notch 

 nor bristles ; tarsi short, wings long. 



The Worm-eating Warbler, H. vermivorus, Bonap., of 

 the United States east of the Missouri, is five and a half 

 inches long, the wing three inches ; the upper parts clear 

 olive-green, the head with four black stripes and three 

 brownish-yellow ones ; the under parts pale brownish- 

 yellow, tinged with buff across the breast. 



Swainson's Warbler, H. Swainsonii, Bonap., of the 

 Southern States, is over five inches and a half long, the 

 wing less than three inches ; above dull olive-green, a 

 superciliary stripe and the under parts of the body white, 

 tinged with yellow. 



The Genus Helminthophaga has the bill elongated, very 

 acute, without a notch, wings long and pointed, the first 

 quill nearly or quite the longest, tail nearly even and 

 rather slender, and the tarsi longer than the middle toe. 



The Blue-winged Yellow Warbler, H. pinus, Baird, of 

 the United States east of the Missouri, is four and a half 

 inches long, the wing two and four tenths inches ; above 

 olive-green, the wings and tail bluish-gray, the crown and 

 under parts rich orange-yellow. Its nest is elongated 

 and attached by its upper edge to several stout stalks of 

 grass ; eggs four to six, pure white, with a few pale red 

 spots at the larger end. 



The Golden-winged Warbler, H. chrysoptera, Baird, of 

 the United States east of the Missouri, is about five inches 



