Annotated List 63 



mon summer resident, formerly common. Nesting 

 data: Parkesburg, Mav 20, 1885, goUected by J. H. 

 Matlack (Sharpies MS.). The migration data for 

 spring arrival is from all available sources, and the 

 fall departure from my Berwyn notes: 



Arrival — ^Apr. 25 (1900-1913) — May 9 (1912) ; 

 ave. 12 yrs. May i. 



Departure— Sept. 14 (1896) — Oct. 19 (1887); 

 ave. 4 yrs. Sept. 29. 



108. Chordeiles virffinianus Nighthavirk, "bird 

 hawk," "buUbat," 'Vhipper-will." Tolerable com- 

 mon summer resident, rather local in character. 

 Breeding record: Paoli barrens, June 9, 1900, two 

 young (Bailey, Cass., v 221). Migration records 

 from all sources: 



Arrival — May 3 (itjoo) — May 27 (1903) ; ave. 

 16 yrs. May 14. 



Depart. — Sept. 16 (1890) — Oct. 9 (1904) ; ave. 

 4 yrs. Sept. 23. 



109. Chtetura pelagica Chimney Swift, "chimney 

 bat," "chimney bird," "chimney swallow," "chim- 

 ney sweep," "swallow." Common summer resident. 

 Nesting date: Berwyn, June i, 1914, five eggs, 

 collection of F. L. B. Berwyn migration records; 



Arrives — ^Apr. 18 (1891) — May i (1913); ave. 

 33 yrs. Apr. 25. 



Common — Apr. 19 (1891) — May 3 (1913); 

 ave. 28 yrs. Apr. 27. 



Bulk dep. — ^Aug. 11 (1916) — Oct. 11 (1900), 

 ave. 13 yrs. Sept. 15. 



Last — Sept. 13 (1905) — Oct. 18 (1902); ave. 

 19 yrs. Oct. I. 



