Annotated List 65 
ORE GSE SESS OE MAE DL DPB OD By 020 2 ADR Se 
Common summer resident, occasional in winter. 
Pennock saw one on Dec. 27, 1883, another Jan. 
9, 1884; Dr. Warren saw C. D. Wood skinning 
a specimen said to have been shot at Spring City, 
Jan. 22, 1883 (Bds. Pa., 151); and J. D. Carter 
in his West Chester-Coatesville bird census, 1901- 
03, has thrice reported an individual on Dec. 25 
(Bd. Lore, iv, 29; v.17). Nidification begins about 
Apr. 25; average date fer first complete set, May 3. 
Berwyn: 
Arrival—Mar. 2 (1909)—Apr. 13 (1906) ; ave. 
27 yrs. Mar. 25. 
Common—Mar. 17 (1898)—Apr. 14 (1896); 
ave. 14 yrs. Apr. 3. 
Departure—Oct. 1 (1885-1897)—Oct. 31 
(1889) ; ave. 16 yrs. Oct. 14. 
114. Nuttallornis borealis Olive-sided Flycatch- 
er. Rare transient. Given by Michener. Warren 
states that a few specimens have been taken at irreg- 
ular periods, and that C. D. Wood took a specimen 
near Coatesville, May 1, 1864. Stone reports that 
one was taken along the Brandywine, near Morton- 
ville, May 4, 1898, and Thomas observed one at 
Kennett Square, May 3, igo9. 
115. Myiochanes virens Wood Pewee. Common 
summer resident. Nesting data: Chester Valley, 
May 19, 1904; three eggs. 
Berwyn: 
Arrival—May 3 (1896)—May 22 (1917) ; ave. 
11 yrs. May 13. 
Common—May 11 (1904)—May 30 (1907- 
1917); ave. 6 yrs. May 21. 
