Annotated List 75 
dent, though many migrate in severe winters. Nest- 
ing data: Berwyn, Aug. 12, 1889, four eggs. 
142. Spinus pinus Pine Siskin. Irregular winter 
visitant and vernal transient. I observed a flock of 
twenty-five at Berwyn, Apr. 30, 1909. 
Arrival—Dec. 25 (1913)—Feb. 5, (1888). 
Departure—Apr. 30 (i909)—May 15 (1912); 
ave. 6, records May 4. 
143. Plectrophenax nivalis nivalis Snow bunting. 
Irregular winter visitant in small flocks. Consid- 
ered rare by Barnard and Michener. Pennock noted 
it in the winter, of 1870-71 and 1900, and secured 
three specimens in 1886, near Kennett Square. Ob- 
served at Downingtown, Feb. 23, 1902, by Pennell; 
Berwyn, Feb. 17, 1905, by Burns; West Chester, 
Mar. 2, 1914, by Ehinger; in flocks of not more 
than thirty birds. 
144. Calcarius lapponicus lapponicus Lapland 
Longspur. Rare winter visitant. Michener gave 
it as very rare. Not in Barnard’s list, but according 
to Pennock, his cabinet contained a specimen taken 
in the county later than the publication of his list. 
145. Poocetes gramineus gramineus Vesper 
Sparrow, ‘field sparrow,” “grass finch,” “ground 
chippy,” “‘snakebird.” ‘Tolerably common summer 
resident, occasional resident. Nesting data: Ber- 
wyn, June 10, 1885, four eggs. 
Berwyn: 
Arrival—Mar. 15 (1898)—Apr. 20 (1891); 
ave. 20 yrs. Apr. 5. 
Common—Apr. 4 (1902)—May 4. (1906- 
IQII); ave. 15 yrs. Apr. 20. 
