BIRDS OF ESSEX COUNTY. 287 



whose un-vireo-like song was heard in an alder thicket near the Swampscott 

 railroad station. It was singing its most common song, chip-whee-yo, which 

 suggests strongly a Whip-poor-will's song heard near at hand. It also whistled 

 loudly a single note like that of the Bob-white. Elsewhere, at Arlington 

 Heights, and at Hyde Park, I have heard several other variations of its song. 

 There is a specimen in the Peabody Academy collection labeled Ipswich. 



264 [636] Mniotilta varia (Linn.). 

 Black and White Warbler ; Black and White Creeper. 



Very common summer resident ; April 28 to September 22 ; average date 

 of arrival for seven years, May 3. 



Eggs: May 17 to June 18. 



265 [639] Helmitherus vermivorus (Gmel.). 

 Worm-eating Warbler. 



Accidental visitor from the south. 



A bird of this species was seen at the Salem Willows, on April 14th, 1902, 

 by Mr. H. C. Farwell, Mr. J. H. Sears, and others; it was shot on April 16th, 

 1902, and is now in the collection of the Peabody Academy at Salem. There 

 are only two, possibly three, other records for the State. 



266 [642] Helminthophila chrysoptera (Linn.). 

 Golden-winged Warbler. 



Not uncommon summer resident, locally; May 13 to September 1 (Octo- 

 ber 8). 



This beautiful Warbler appears to be increasing, and breeds now sparingly 

 in Ipswich, Georgetown, Lynnfield, and Rowley. Maynard found it breeding in 

 Rowley in the late sixties. During the late seventies the Golden-winged 

 Warbler was an unknown quantity to me in Magnolia, but within the last five or 



