52 



CHECK LIST OF THE 



GENUS ANTROSTOMUS. 



(417) Whip=poor=will. 



(Antrostomus vociferus.) 



A common resident in the woods. Breeds throughout its range in 

 the Province. 



Arrives early in May, departs early in October. 



Whip-poor-will. 



GENUS CHORDEILES. 



(420) Night Hawk. 



(Chordeiles virginianus.) 



An abundant summer resident. Breeds throughout its range in the 

 Province. 



Arrives about the middle of May, departs early in September. 



SUBORDER CYPSELI. (SWIFTS.) 

 FAMILY MICROPODID^. 



SUBFAMILY CH^ETURIN^E. (SPINE-TAILED SWIFTS.) 



Bill weak and small, gape large, deeply cleft. Wings very long, 

 thin and pointed ; secondaries very short. Feet small, weak, toes com- 

 pletely cleft ; middle claw not pectinate ; no rectal bristles. In our species 

 tail rounded, its feathers with the shaft spinous, projecting beyond the 

 plumage ; the salivary glands are highly developed and their secretion 

 is used as a glue in the construction of the nest. 



