268 REPORT OF NEW JERSEY STATE MUSEUM. 



Mr. Miller finds it locally common at Plainfield. Mr. Babson thinks 

 it breeds rarely at Princeton, 1 and Mr. Hann found one nest at Chat- 

 ham, and Mr. Holmes 2 regards it as rare at Summit. Mr. Thurber 

 found it rare at Morristown. Mr. S. N". Rhoads found it breeding at 

 Greenwood and Echo Lakes, Passaic county, June, 1909. 



The only record of its nesting in west Jersey, south of Trenton, is 

 a female, apparently with young, observed by Mr. S. N. Rhoads, near 

 Camden, in July, 1880. 3 



641 Vermivora pinus (Linnaeus). 

 Blue-winged \Yarbler. 



Adult male. Length, 4.80. Wing, 2.40. Above, yellowish olive-green. 

 brighter on rump and bright yellow on the crown ; wings and tail, bluish-gray ; 

 two white wing bars and three outer tail feathers largely white on the inner 

 webs ; under surface, bright yellow ; a jet black line through the eye. 



Adult female. Similar, but duller, and yellow not so pure. 



Young in first summer. Similar to adult female. 



Nest on the ground in low woods, composed of leaves and shreds of bark ; 

 eggs, four to six, white, with small scattered spots of reddish-brown, .65 x .50. 



Common summer resident in the middle and northeastern counties, 

 rare on the northern edge of the pine barrens and absent in the north- 

 western counties and in the pine barrens and apparently also in south- 

 west Jersey. Mr. J. Fletcher Street has found it along the Rancocas 

 in the breeding season, and Mr. R. C. Harlow found it at Clementon, 

 June 9th, 1906, and June 6th, 1907, also at Bennett, in lower Cape 

 May county, May 24th, 1907, and June 3d, 1908. Mr. S. N. Rhoads, 

 in a long experience, never saw it at Haddonfield. Arrives May 1st 

 (May 6th), departs September 1st. 



Common breeder in the lower Hudson Valley (Chapman), Demarest 

 (Bowdish), Montclair, Summit and Chatham (Hann and Callender), 

 Plainfield (Miller) ; rare breeder at Paterson ( J. H. Clark) and Mor- 

 ristown (Thurber) and on Mt. Lucas only, in the Princeton region 

 (Babson) . Mr. Rhoads saw four at Greenwood Lake, June, 1909. 



This species is found near the ground in low woods and on the edge 

 of swampy thickets. Its note is 'an insect-like "s-e-e-e, z-e-e-e-e." 



1 Birds of Princeton. 



2 Wilson, Bull., 1905, p. 11. 



3 Bull. Nutt. Orn. Club, 1882, p. 55. 



