MIGRANTS AND WINTER RESIDENTS. 169 



Bobolink; Reed-bird; Rice-bird: Dolichonyx ory- 

 zivorus. 



Male in spring plumage, head, wings, tail and under parts 

 black; back largely grayish-white, a buff patch on the back 

 of the neck. Female, young, and male in fall, brownish 

 streaked with black; under parts buffy. Length 7*4 inches. 

 Common in spring, abundant in fall. 



Rusty Blackbird: Scolecophagus carolinus. 



Lustrous bluish-black all over; female in spring, slate 

 color. Winter plumage of both birds tipped with rusty. 

 Length 9^2 inches. October 25 to April 25. Common. 



Horned Lark; Shore Lark: Otocoris. alpestris. 



Upper parts pinkish brown; tail black, outer feathers 

 marked with white; forehead, throat and line over the eye 

 sulphur-yellow. Horns, sides of throat, and a patch on the 

 breast black. Length 7^/2 inches. 



Alder' Flycatcher: Empidonax traillii alnorum. 



Upper parts olive-brown, wings and tail dusky; under 

 parts whitish, washed with gray on the breast and sides, 

 and on the belly with yellowish; throat pure white; wing- 

 bars whitish. Length 6 inches. May 10 to 28; August 15 

 to September 25. Irregularly common. 



Least Flycatcher; Chebec: Empidonax minimus. 



This is almost precisely like the Alder, but is smaller, 

 being only about 5 inches long. April 25 to May 25; Sep- 

 tember i to 25. Common. 



Yellow-bellied Flycatcher: Empidonax flaviventris. 



Upper parts bright olive-green; under parts yellow, bright- 

 est on the belly; throat, breast and sides washed with 

 olive-green; wing-bars and eye-ring yellowish. The bright 



