80 The Ornithology of Chester County 
what local and not gregarious. Pennock states that 
a nest with eggs was taken near Kennett Square in 
1885; and Sharples has found it every year in a 
swamp at Eachus’s mill, near West Chester; and 
believes it is a summer resident. Migration records 
from all available resources: 
Spring arrival—Mar. 23 (1886)—Apr. 30 
(1905); ave. 9 yrs. Apr. 23. 
Spring departure—May 9 (1891-1897)—May 
13 (1894); ave. 3 yrs. May to. 
Fall arrival—Oct. 5 (1890)—Oct. 18 (1909) ; 
ave. 3 yrs. Oct. 10. 
158. Passerella iliaca iliaca Fox Sparrow, “‘fox- 
colored sparrow,” ‘hedge sparrow.” ‘Tolerably 
common transient; occurs usually in small flocks. 
Berwyn: 
Spring arrival—Feb. 22 (1888)—Mar. 25 
(1905); ave. 18 yrs. Mar. 13. 
Spring departure—Mar. 9 (1890)—Apr. 29 
(1896) ; ave. 9 yrs. Apr. II. 
Fall arrival and departure—Nov. 1-24. 
159. Pipilo erythrophthalmus ‘Towhee, “‘che- 
wink,” ‘‘chip-cherry bird,” “ground robin,” “jo- 
wink,” “juwink,” “to-wee,” “thrush.” Common 
summer resident, occasional resident. Nesting data, 
Berwyn, May 22. 
Berwyn: 
Arrival—Mar. 29 (1904)—Apr. 30 (1907), 
ave. 29 yrs. Apr. 17. 
Common—Apr. 5 (1902)—May 5 (1901) ; ave. 
26 yrs. Apr. 27. 
Bulk depart—Sept. 27 (1893)—Oct. 12 (1894) ; 
