Annotated List 65 



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 for first complete set. May 5. 



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. i (1885-1897) — Oct. 31 

 (1889); ave. 16 yrs. Oct. 14. 



114. Nuttallornis horealis 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 i, 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, 1909. 



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. 

 II yrs. May 13. 



Common — May 11 (1904) — May 30 (1907- 

 1917) ; ave. 6 yrs. May 21. 



