ORNITHOLOGIST 



— AND- 



OOLOGIST. 



Birds of Chester County, Pa. 



[Concluded.] 



165. Dendrolea palinarum (Gmel.). Red- 

 poll Warbler. Transient visitant; common. 

 Arrives third week in April, and generally 

 leaves by May 10, to reappear last week in 

 September. Departs by October 20. 



160. Dendroica dlacolor (Vieill.). Prairie 

 Warbler. Summer resident; rare. Arrives 

 last week in April. I have never found this 

 species nesting. Have taken specimens as late 

 as June 20. Mr. Doan has a nest and set of 

 four eggs of this species, which he collected 

 on June 16, 1885, near French Creek Falls, this 

 county. It was placed in a wild rosebush, 

 about three feet from the ground, and made 

 of rose leaves, plant stems, and lined with tine 

 I'oots. Eggs, averaging .67 X .48; groundcolor 

 white, thinly spotted with lilac, purple and 

 light brown. Departs by the first week in 

 October. 



167. Seiurus auroca2)ilUts (Linn.). Oven- 

 bird. Summer resident; common. Arrives 

 first week in May. Nidification takes place by 

 the last of that month; eggs, four to five. 

 Departs second week in October. 



168. Sehtrus noveboracensls (Gmel.). Water 

 Thrush. Summer resident; rare; in migra- 

 tion common. Arrives last week in April. 

 Eggs, four. Departs first week in October. 



169. Seiurus motacilla (Vieill.). Louisiana 

 Water Thrush. Summer resident; tolerably 

 common. Arrives last week in April. Nidifi- 

 cates by May 15; eggs, four to six. Departs 

 last week in September. 



170. GedthUjpis fonnosa (Wils.). Kentucky 

 Warbler. Summer resident; common. Ar- 

 rives last week in May. Nidification com- 

 mences by the 20th of May; eggs, four to five. 

 Departs by the 10th of September. 



171. Geothlypis 2ihiladelpJua (WWa.). Mourn- 

 ing Warbler. Transient visitant, tolerably 



common in spring, rare in autumn. An-ives 

 by the 10th of May, and does not leave until 

 the last week in that month. Departs by the 

 first week in September. 



172. Geothlypis trichas (Linn.). Maryland 

 Yellow-throat. Summer resident; abundant. 

 Arrives last week in April. Nidification com- 

 mences by May 25 ; eggs, four to five. Departs 

 October 10. 



178. Icteria vlrens (Linn.). Yellow-breasted 

 Chat. Summer resident; common. Arrives 

 second week in May. Nidification takes place 

 by June 10th; eggs, four to five. Departs 

 second week in September. 



174. Sylvanla mitrata (Gmel.). Hooded 

 Warbler. Summer resident; rare. Arrives 

 first week in May. Have found its nest by 

 the first week in June; eggs, four. Departs 

 first week in September. 



175. Sylcania pusilla {Wi\s.). Wilson's War- 

 bler. Transient visitant; tolerably common. 

 Arrives second week in May, and remains 

 until the last of the month, to reappear by 

 September 20th. Departs by October 10th. 



176. Sylvanla canadensis (Linn.). Canadian 

 Warbler. Transient visitant; common. Ar- 

 rives first week in May, and leaves by the last 

 week in the month, to reappear first week 

 in September. Departs by 25th of that 

 month. 



177. Setophaya ruticUla (Linn.). American 

 Redstart. Summer resident; common; abun- 

 dant in migration. Arrives by May 5th. Nidi- 

 fication takes place by the 25th of that month; 

 eggs, four. Departs by the second week in 

 October. 



178. Anthns pennsylvanicns (Lath.). Amer- 

 ican Pipit. Winter resident; tolerably com- 

 mon. They arrive from the North by the last 

 of October, and depart by the first week in 

 April, but are more frequent in the autumn and 

 spring migrations. 



179. Mlmm polyylottus (Linn.). Mocking- 

 bird. Summer resident: very rare. 



Copyright, 1889, toy Frank B. Webster. 



