Annotated List 107 



parison, that in eight instances where the first arrival 

 was observed at the home box (hence undoubted 

 local birds) the average date was Apr. 26; while 

 the first arrivals in the neighborhood for the same 

 years averaged six days earlier. 



Berwyn : 



Arrival — Apr. 16 (1908) — May 6 (1904); ave. 

 24 yrs. Apr. 24. 



Common — Apr. 18 (1896) — May 10 (1904); 

 ave. 21 yrs. Apr. 30. 



Departure — Sept. 15 (1899) — Nov. 14 (1903); 

 ave. 20 yrs. Oct. 14. 



229. Nannus hiemalis hiemalis Winter Wren. 

 Not common winter visitant ; represented by record 

 of from one to four individuals on most winter lists. 



Arrival — Oct. 5 (1894) — Nov. 15 (191 3); ave. 

 7 yrs. Oct. 20. 



Departure — Apr. 11 (1890)— May 2 (1915); 

 ave. 5 yrs. Apr. 25. 



230. Cistothorus stellaris Short-billed Marsh 

 Wren. Rare summer resident. Barnard considered 

 it very rare, while Michener gave it as a frequent 

 summer resident. Warren has observed it as a sum- 

 mer resident but gives no dates, and Burn reports 

 it at Oxford. 



231. Telmatodytes palustris palustris Long-billed 

 Marsh Wren. Rare summer resident; frequent in 

 Michener's time. Jackson and Ladd took a set of six 

 eggs from a marsh, at Lenape, June 12, 1886 (Orn. 

 and Ool., xii, 24). 



232. Certhia familiaris familiaris Brown Creep- 

 er. Tolerable common winter visitant. 



