84 The Ornithology of Chester County 



distinct species, but closely related to S.americana. 

 This specimen remaining in the collection of Dr. 

 Michener for twenty-four years, except for the brief 

 time it was in the hands of Audubon; and finally 

 presented it to the Smithsonian Institution and it is 

 now in the U. S. National Museum- 



1 66. Piranga erythromelas Scarlet Tanager, 

 "black-winged redbird," "redbird," "summer red- 

 bird." Tolerable common summer resident. Nest- 

 ing data: Berwyn, June i, 1900; three eggs. 



Berwyn : 



Arrival — ^Apr. 25 (1903) — May 16 (1897) ; ave. 

 27 yrs. May 8. 



Common — May 5 (1906) — May 22 (1897); 

 ave. 14 yrs. May 13. 



Departure — Sept. 15 (1913) — Sept. 25 (1894); 

 ave. 7 yrs. Sept. 22. 



167. Piranga rubra rubra Summer Tanager, 

 "summer redbird." Straggler from the south. Bar- 

 nard considered it very rare, and Michener, a rare 

 summer resident. Dr. Warren saw a pair May 25, 

 1876, and a female Oct. 10, 1889, all in West Ches- 

 ter, (Bds. Pa., 1890, 252). 



168. Probne subis subis Purple Martin, "black 

 martin," "martin," "swallow." Tolerable common 

 summer resident. Colonies have been established in 

 the past at Oxford, Avondale, Marshallton, Len- 

 ape. West Chester, Downingtown, Lionville, Byer's, 

 Malvern, Berwyn, Paulding's bridge, Cupola and 

 probably other points. Nidification commences soon 

 after arrival and the set is complete by June i. 



Berwyn: 



