APPENDIX. 407 



b. Length under 6-00. 

 b 1 . Crown black : cheeks white ; back ashy ; unstreaked ; call, chick-a- 



dee, or a musical, double-noted whistle 735. CHICKADEE. 



& 3 . Conspicuously streaked with black and white ; a tree creeper. 



636. BLACK AND WHITE WARBLER. 

 B. Under parts white or whitish. 



a. Length 800; upper parts grayish slate-color; tail tipped with white; 

 a bird of the air, catching its insect food on the wing, and occasionally 

 sallying forth from its exposed perch in pursuit of a passing Crow ; 

 note, an unmusical, steely chatter 444. KINGBIRD. 



b. Length 5'75 ; crown black ; back bluish gray ; a tree creeper ; call-note, 

 yank, yank 727. WHITE-BREASTED NUTHATCH. 



c. Length 6*50 ; upper parts washed with rusty ; generally seen in flocks ; 

 terrestrial ; Nov. to Mch 534. SNOWFLAKE. 



II. No white in the plumage. 



A. Length 19-00; jet black 438 AM. CROW. 



B. Length 12-00; black with metallic reflections; iris yellowish; migrates 

 in flocks ; nests usually in colonies in coniferous trees ; voice cracked and 

 reedy ; tail u keeled " in short flights ; a walker. 



511. PURPLE GRACKLE. 5116. BRONZED GRACKLE. 



C. Length 9-50 ; shoulders red ; haunts marshes ; call, Tcong-quer-ree, 



498. RED-WINGED BLACKBIRD 



D. Length 7'50 ; head and neck coffee-brown ; frequently seen on the 

 ground near cattle 495. COWBIRD. 



Fifth Group. Without either yellow, orange, red, or blue 

 in the plumage; not conspicuously black, or black 

 and white. 



I. Under parts all one color, without streaks or spots. 

 1. Back without streaks or spots. 



A. Under parts white or whitish ; length under 7'50. 

 a. Back olive, olive-green, or slaty fuscous. 



a 1 . No white line over the eye ; flycatchers, capturing their prey on 

 the wing and returning to their perch, where they sit quietly until 

 making a fresh sally. 



a a . Crown blackish ; frequently found nesting under bridges or 

 about buildings ; tail wagged nervously ; note, pewit-phcebe. 



456. PHOSBE. 

 a 9 . Wing-bars whitish ; haunts orchards, lawns, and open woodland ; 



note, chebec, chebec 467. LEAST FLYCATCHER. 



a 4 . Haunts woodlands ; generally frequents the upper branches ; 



note, a plaintive pee-a-wee 461. WOOD PEWEE. 



b 1 . A white line over the eye, or wing-bars white ; gleaners ; patiently 



exploring the foliage for food or flitting about the outer branches. 



ft 2 . White line over, the eye bordered by a narrow black one ; cap 



gray ; iris red ; song, a rambling recitative : " You see it you 



know it do you hear me ? " etc. . . . 624. RED-EYED VIREO. 



b 9 . White line over the eye not bordered by black ; prefers the 



