KEY FOR APRIL 41 



A'. 

 8.25. (As far north as Central Park, N. Y.) Entire plumage red or red- 

 dish; crest conspicuous p. 151. Cardinal. 



A". 

 g.08. Entire bird rose-red; wing-bars "white . p. 183. Pine Grosbeak. 

 [6.33. Size of English. Sparrow.] 



B. 



6.22. In trees or feeding on ground; entire upper parts and throat crimson; 



brightest on head and rump ... p. 181. d Purple Finch. 

 6.ig.* Entire bird vermilion-red; regular in northern Xew England. 



p. 180. American Crossbill. 

 6.05.** Entire bird rose-red; wing-bars white; not so irregular in northern 



Xew England p. 179. White-winged Crossbill. 



5.32.** In flocks in birches or in weedy patches; crown dark crimson; 



breast and rump often pink p. 178. Redpoll. 



4.62.* On limbs of trees; back bluish; head black; line over eye white; 



under parts reddish-brown . p. 85. Red-bellied Nuthatch. 



Blue. 



A. 



13.02. Near water; much white showing in wings and tail; bill long and 



pointed p. 224. Kingfisher. 



11.74. In woodland, or in trees near houses; much white in wings and tail. 



p. 198. Blue Jay. 

 [10.00. Size of Robin.] 



8.00. Blue-black. (See under Black) ... p. 146. Purple Martin. 

 7.00. Upper parts deep blue; breast reddish-brown. 



p. 71. .-f Bluebird. 



7.00. Upper parts gravish; wings and tail bluish. 



p. 71. $ Bluebird. 

 6-95- Upper parts deep blue; tail long and deeply forked; throat chestnut; 

 rest of under parts whitish or salmon. 



p. 144. Barn Swallow. 

 [6.33. Size of English Sparrow.] 



B. 

 6.07. On trunks and limbs; back blui sh -gray; crown black; under parts 



white p. 86. White-bellied Nuthatch. 



5.90. Upper parts greenish-blue; tail merely notched; under parts white. 



p. 14o. Tree Swallow. 

 4.62.* On trunks and limbs; back bluish; crown and line through eye 

 black; under parts reddish-brown or buffy. 



p. 85. Red-bellied Nuthatch. 



