92 BIRDS OF YARMOUTH AND VICINITY. ALLEN. 



years) Sep. 20. Song period from first appearance 

 to about July 25. I have found them nesting as 

 early as May 21. 

 672a. Dendroica palmarum hypochrysea Ridgw. Yellow 

 Palm Warbler. — Rather uncommon summer resi- 

 dent, and nests in our county; but very common 

 during the fall migrations. First appearance (3 

 years) Apr. 25. Last appearance (6 years) Oct. 15. 



674. Seiurus aurocapillus (Linn.). Oven-bird. — Common 



summer resident inland. First appearance (4 years) 

 May 17. Last appearance (3 years) Aug. 27. 

 While camping at Mood's Mill we noticed that the 

 common cry of "Teach-er, Teach-er, — " ceased 

 after Aug. 7, but that the aerial song continued 

 through the month. A nest was found at Carleton, 

 Yarmouth Co., May 24, 1912, nearly completed. 

 It was in a hollow of the ground, and dome-shaped, 

 with the entrance at the side. 



675. Seiurus noveboracensis noveboracensis (Gmel.). Water- 



thrush. — Eight or ten observed in seventeen years. 

 At Carleton, Yarmouth Co., a pair was observed 

 feeding young July 4, 1904. Latest observation, 

 Sep. 21. 

 679. Oporornis Philadelphia (Wih.). Mourning Warbler. — 

 Four observations only: June 1903, one; July 7, 1904, 

 one; July 16, 1904, a female; July 30, 1911, a pair. 



681. Geothlypis trichas trichas (Linn.). Maryland Yellow- 

 throat. — Our most common warbler in low places. 

 First appearance (8 years) May 17. Last appear- 

 ance (8 years) Sep. 20. 



685. Wilsonia pusilla pusilla (Wils.). Wilson's Warbler. — 

 Five observations only. Seen with young at Deer- 

 field, Aug. 10 and 13, 1908. See note under Nashville 

 warbler. 



