Annotated List 105 



with us as a breeder is proven by Isaac G. Roberts. 

 On June 25, 1915, he noticed a single individual 

 near Jennersville, just west of West Grove ; and on 

 the 26th discovered the adults, nest and three young 

 which appeared to be but a few days old. On July 

 4 it was deserted. The nest was five feet up in a 

 small cedar, at the head of a lane close to the public 

 road, and not far from a tall osage hedge. A single 

 bird was observed near West Grove, Aug. 18 and 

 21, 1916, and Sept. 18, 1917 (Roberts MS.). 



224. Dumetella carolinensis Catbird, "cattie," 

 "catbird," "chickenbird." Abundant summer resi- 

 dent. Nidification begins about May 20; average 

 date for complete set, May 29. 



Berwyn : 



Arrival — Apr. 22 (1905) — May 9 (1885-1886) ; 

 ave. 32 yrs. May 2. 



Common — Apr. 27 (1902-1903-1913) — May 14 

 (1891-1901) ; ave. 29 yrs. May 6. 



Bulk departure — Sept. 13 (1905) — Oct. 4 

 (1904) ; ave. 15 yrs. Sept. 25. 



Last seen — Sept. 16 (1896) — Dec. i (1898); 

 ave. 25 yrs. Oct. 6. 



225. Toxostoma rufrum Brown Thrasher, 

 "brown thrush," "thrasher," "thrush." Tolerably 

 common summer resident ; occasional resident. A 

 single individual found wintering at Berwyn, Feb. 

 10, 19 and 21; Mar. 5 and 10, 1915; Mar. 25, 

 1916. Nidification begins about May 5; average 

 date for complete set. May 21. 



Berwyn : 



Arrival — Apr. 5 (19 10) — May 5 (1889); ave. 



