DIRECTORY TO BIRDS OF EASTERN NORTH AMERICA. 



A. from Ga. and northern Mexico, north to the Arctic regions ; 

 winters in S. A. ; south in Sep. ; north in April and May. 

 Common. Xests in communities, in holes of sand banks; 

 eggs, unspotted. Notes, a feeble twitter. Flight, rather weak. 

 Fig. 344. Fig. 345. 



CC, L, c, 1. 

 d. Rough- winged Swallows. Stelgldopteryx. 



Rather small swallows, brownish above, white below; 

 tail, moderately forked ; adult males with the barbs of the 

 outer wing feather hooked backward, rig. 346. 



1. ROUGH- WINGED SWALLOW, S. SERRIPENNIS. 5.50; 

 brown throughout, excepting middle lower parts, abdomen, 

 and under tail coverts, fig. 347. Breeds in temperate N, A. 

 from Central America north to southern Conn, and British 

 Columbia ; winters in Central America ; south in Sep. ; north 

 in May. Nests' in holes of bridges, buildings, banks, etc., 

 seldom in communities ; eggs, unspotted. Notes, feeble twit- 

 ters. Flight, not very strong. 



Fig. 346. Fig. 347. 



CC, L, d, 1. 



