KEY FOR APRIL 39 



5.61. (Arrives April 15.) In trees; head slaty-gray; line to and around eye 



white p. 132. Solitary Vireo. 



5.41. (Arrives April 20.) Perches in trees in flycatcher fashion; wing-bars 



white; note sharp, tse-bic' . . . . p. 202. Least Flycatcher. 

 5.00.* In flocks in trees; under parts streaked ; bar on wing yellow. 



p. 176. Pine Finch. 

 4.41. (Arrives April 10.) Restless in trees and thickets; song loud and 



musical; eye prominent . . p. 80. Ruby-crowned Kinglet. 

 4.07. Restless in trees and thickets; top of head yellow or orange, inclosed 



in black; note tsee-tsee-tsee. 



p. 81. Golden-crowned Kinglet. 



B'. 



6.28. Along water-courses ; under parts streaked with black ; tail constantly 

 tilted; song loud and ringing. 



p. 107. Louisiana "Water-thrush. 



Yellow without Black. 

 [6.33. Size of English Sparrow.] 



5.65. In trees; rump, crown-patch, and patches on sides of upper belly 

 yellow; throat white p. 120. Myrtle "Warbler. 



5.52. In pines; occasionally on the ground; wing-bars white; throat yel- 

 low p. 111. Pine "Warbler. 



5.43. In trees; often on the ground; crown chestnut; under parts bright 

 yellow; tail constantly wagged . . . p. 110. Palm Warbler 



Black and White. 



[10.00 Size of Robin.] 

 9.40. On trunks or large limbs; white stripe down middle of back; wings 



barred with black and white . . p. 224. Hairy Woodpecker. 

 8.56. On trunks or large limbs ; back speckled with black and white; white 



stripe along edge of wing p. 220. Sapsucker. 



8.35. Head black; tail black and white; scratching on the ground near 



bushes p. 152. Towhee. 



6.83. On trunks or large limbs: white stripe down middle of back; wings 



barred with black and white . p. 223. Downy Woodpecker. 

 [6.33. Size of English Sparrow.] 



6.07. On limbs or trunks; crown black; back bluish-gray; under parts 



white p. 86. White-bellied Nuthatch. 



5.65. In trees ; throat white; black patches on sides of upper breast ; sides 

 of belly, crown patch, and rump, yellow. 



p. 120. Myrtle Warbler. 

 5.30. On trunks or large limbs; striped black and white. 



p. 129. Black and White Warbler. 



