Annotated List 77 



26, and it was last seen on May 8, 1914 (Auk, 

 xxi, 386). Roberts reports a small flock near New 

 Garden, Oct. n, 1914. 



149. Zonotrichia leucophrys leucophrys White- 

 crowned Sparrow. Rare transient. In submitting 

 the migration data from all sources, the possibility 

 of error in sight records is believed at a minimum, all 

 being experienced observers; and all records as far 

 as I know are for solitary individuals. 



Spring arrivals Apr. 30 (1907) May 2O 

 (1892) ; ave. 12 yrs. May 10. 



Fall arrival Oct. 6 (1905) Oct. 18 (1890); 

 ave. 5 yrs. Oct. 10. 



150. Zonotrichia albicollis White-throated Spar- 

 row, "peabody bird." Abundant transient, and 

 occasional winter resident. Berwyn migration data : 



Spring arrival Mar. 6 (1906) Apr. 16 

 (1898) ; ave. 13 yrs. Mar. 27. 



Spring departure Apr. 27 (1902-1907-1911) 

 May 23 (1905) ; ave. 12 yrs. May 12. 



Fall arrival Sept. 24 (1913) Nov. i (1900) ; 

 ave. 1 8 yrs. Oct. 7. 



Fall departure Oct. 18 (1903) Dec. 20 

 (1900) ; ave. 15 yrs. Nov. 4. 



151. Spizella monticola monticola Tree Spar- 

 row, "winter chippy." Tolerable common winter 

 resident, often associating with the Junco. 



Berwyn : 



Arrival Oct. 17 (1896) Dec. n (1886); ave. 

 8 yrs. Nov. 2. 



Common Oct. 20 ( 1 894 ) Dec. 1 1 ( 1 886 ) ; 

 ave. 8 yrs. Nov. 18. 



