DIRECTORY TO BIRDS OF EA8TERX NORTH AMERICA. 191 



in Central America; migrates in May and Sep. Note, "C//(f- 

 ^ec" given with great energy and repeated constantly while 

 the bird throws up its head and jerks all over; also a low 

 twitter given while the wings are slightly raised and fluttered. 

 Frequents orchards and low, open growths. Common. Nests, 

 in trees, of hempen fibers, lined with fine material; eggs, 4, 

 white, usually unspotted. 



2. TRAILL'S FLYCATCHER, E. traillh. A little lar- 

 ger than 1, usually darker above; j^lumage always more 

 silky; eye ring, narrow and yellowish; under mandible, yel- 

 low. Western N. A. from the Mississippi Yalley, east into 

 Ohio, 111., and Mich. 



2*. ALDER FLYCATCHER, E. t. alnorum. Darker 

 than 2. Breeds in eastern N. A. rarely from Mass. northward ; 



winters in Central America ; migrates in 

 late May and Sep, Nests of sticks, often 

 placed in alders ; eggs, creamy, spotted with 

 reddish-brown. Notes, '■'• Ke-ivich''^ often re- 

 peated but is rather more slowly than 1 and 

 more harshly, with less display of energy; 

 frequents low growths in swampy lands. 



3. GREEN-CRESTED FLYCATCHER, 

 E. virescens. Larger than 2* ; bill, broad- 

 er; greener above, lighter beneath, with 

 less olive on sides; with 4th primary very 

 short, fig. 247. Eastern N. A. north to south- 

 ern N. Y. and southern Mich. ; rare as far 

 north as southern Mass. ; winters in Central 

 Fi^. 247. 



Fior. 246. 



BB, A, g, 3. 



growths in wooded glens. 



America ; migrates north in 

 late May, south in Sep. Com- 

 mon. Notes, '"'' Se-wink''\ em- 

 phatically given, sometimes 

 followed by a series of chuck- 

 ling notes, made with flutter- 

 ing wings; frequents low 

 Nests, of sticks, lichens and moss, 



