KEYES AND WILLIAMS BIRDS OF IOWA. 1 33 



Subgenus CENTURUS Swainson. 

 [B 91, R 372, C450, LT 409.I 



Melanerpes carolinus (Linn.). Red-bellied Woodpecker. Resi- 

 dent; rather common. Seen most abundantly in the spring and fall. 



Genus COLAPTES Swainson. 



[B 97, R 378, C 457, U 412.] 

 Colaptes auratus (Linn.). Flicker. Resident; abundant. During 

 the season of 1S80 more than fifty eggs were taken from the nest of 

 one pair of birds. 



Order MACROCHIRES. Goatsuckers, Swifts, Etc. 



Suborder CAPRIMULGI. Goatsuckers, Etc. 



Family CAPRIMULGID^E. Goatsuckers, Etc 



Genus ANTROSTOMUS Gould. 



[B ii2, R 354, C 397, U 417.] 



Antrostomus vociferus (Wils.). Whip-poor-will. Summer resident; 

 common in woodland, where it lays its eggs on the ground, among dry 

 leaves. 



Genus CHORDEILES Swainson. 



[B 114, R 357, C 399, U 420.] 

 Chordeiles vir ginianus (Gmel.). Night-hawk. Summer resident; 

 abundant from the first week in May until the first of October. In the 

 cities the eggs are laid on the gravel roofs of buildings. Usually about 

 the middle of September immense numbers pass southward in scattered 

 flocks — -hundreds of birds being in sight at once. 



Suborder CYPSELI. Swifts. 



Family MICROPODID.^. Swifts. 



Subfamily CHiETURINiE. Spine-tailed Swifts. 



Genus CH^TURA Stephens. 



[B 109, R 351, C405, U423.] 

 Chatura pelagica (Linn.). Chimney Swift. Summer resident; 

 abundant from the third week in April until the middle of September. 

 Breeds about the tenth of June. In towns it is most abundant, and 

 nests in chimneys — some of the large factory chimneys being occupied 

 by hundreds. In other portions of the State, hollow trees are often 

 taken for nesting sites. 



