34 The Ornithology of Chester County 



little island in a millpond. A year or two later, the 

 species was introduced on an adjacent farm, but 

 were speedially absorbed by the Mallard. It has 

 however, been recently seen during the breeding 

 season on the Schuylkill, above Valley Forge. 



21. Chanlelasmus streperus Gad well. Straggler. 

 Kennett Square, Dec. 26, 1912, an individual was 

 flushed from a millrace and positively identified at 

 a distance of ten feet by C. J. Pennock and C. A. 

 Thomas (Thomas MS.,). 



22. Mareca americana Baldpate. An example 

 was shot on the Henry T. Coates dam at Berwyn, 

 about June 20, 1889, and presented to J. W. Sharp. 

 A rare straggler. 



23. Querquedula discors Blue-winged Teal. Rare 

 transient. Dr. Montgomery shot an adult and saw 

 another on the Brandy wine near Lenape, Aug. 8, 

 1889 ; and one was shot on Campbell's dam, Berwyn, 

 Oct. 15, 1909, by N. C. Cass. 



24. Spatula clypeata Shoveller. Straggler. Given 

 by Barnard, Warren and Michener as rare. I have 

 not met with it. 



25. Dafila acuta Pintail. Straggler. Included on 

 the authority of T. H. Jackson, who has a distinct 

 recollection of being offered a freshly killed speci- 

 men by a local gunner, who had shot it on the 

 Brandywine. This was in the early '905. Michener 

 includes it in his later list without comment. 



26. Aix sponsa Wood Duck, "acorn duck," "sum- 

 mer duck," "wild duck." Rare summer resident and 

 transient. Formerly frequent, according to Barnard. 

 Pennock found it rather common on migrations and 



