142 Harlow, Breeding Birds of Penna. and N. J. [^>ril 



at Bennett and twice at Clementon. In Pennsylvania it breeds commonly 

 in the southeastern counties especially in parts of Bucks, Chester, Dela- 

 ware, and Montgomery. Data on nineteen nests give: average set, 5 (3-6) ; 

 average date, May 28 (May 24-June 19). 



125. Vermivora chrysoptera. Golden-winged Warbler. — I have 

 one summer record for New Jersey, near the Delaware Water Gap. In 

 Pennsylvania it is a regular but very local breeder in Pike, Monroe, Wayne 

 and Huntington Counties; also in Greene and Alleghany Counties in the 

 western part of the state. I have found it most common in Stone Valley, 

 Huntington County. Data on five nests give: average set, 5 (sometimes 

 4): average date May 25 (May 22- June 4). 



126. Vermivora rubricapilla rubricapilla. Nashville Warbler. 

 ■ — I have found the Nashville Warbler only in two northern bogs at Pocono 

 Lake and Tobyhanna, Monroe County, Pa. Two nests are as follows: 

 1, Pocono Lake, Pa., June 18, 1907, two eggs; 2, Pocono Lake, Pa., June 27, 

 1914, four eggs. 



127. Compsothlypis americana usnese. Northern Parula 

 Warbler. — Nests plentifully in parts of Cape May, Atlantic and Cumber- 

 land Counties, New Jersey. In Pennsylvania it breeds regularly in Hunt- 

 ington County and along the Alleghanies to Monroe and Pike and west to 

 Warren County. Data on five nests give: average set, 4 (sometimes 3); 

 average date for southern New Jersey, (4 nests) May 24; for Pennsylvania 

 (1 nest) Huntington Co., June 4. 



128. Dendroica aestiva sestiva. Yellow Warbler. — A common 

 breeder in certain places but locally distributed. Data on twenty-one 

 nests give: average set, 4 (3-5); average date, May 26 (May 18- June 23). 



129. Dendroica caerulescens cserulescens. Black-throated Blue 

 Warbler. — Regular and common breeder from Huntington to Fayette 

 Counties and north to Pike and Warren covering practically all of the 

 mountainous section of the state. Especially common in Pike and Wayne 

 Counties on the Pocono plateau. Data on 35 nests give: average set, 4 

 (3-5 — very rarely 5); average date, May 30 (May 24-June 23). 



130. Dendroica magnolia. Magnolia Warbler. — Common breeder 

 in the higher mountains from Blair north to Warren and Pike Counties, Pa. 

 Scarce south of Blair and Center. Data on eighteen nests give: average 

 set, 4 (3-5); average date, June 4 (May 27- June 20). 



131. Dendroica cerulea. Cerulean Warbler. — I have definite 

 breeding records only from Greene and Alleghany Counties where it is a 

 regular summer resident. Data on four nests from Greene Co., give: 

 average set, 4; average date, May 26 (May 20- June 3). 



132. Dendroica pensylvanica. Chestnut-sided Warbler.— In 

 New Jersey I have found it breeding near the Water Gap and in Pennsyl- 

 vania it is a common summer resident from Fayette and Franklin Counties 

 northward throughout all the mountainous and northern counties. Data 

 on twenty-one nests give: average set, 4 (3-5); average date, June 1 

 (May 25- June 18). 



