Annotated List 75 



dent, though many migrate in severe winters. Nest- 

 ing data: Berwyn, Aug. 12, 1889, f ur 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 (1909) 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. Poocates 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- 

 1911) ; ave. 15 yrs. Apr. 20. 



