WARBLERS. 87 



and thickets in open spots, finding their food in piles of brush, 

 on the ground, etc., never, however, jerking their tails in the 

 manner of their relations. 



d. The Mourning Warblers have a sharp chirp, a feeble 

 tsip, and a warbled, liquid song (likened to that of the House 

 Wren, Water Thrush, and Maryland Yellow-throat), which 

 is generally delivered from a high perch. 



III. OPORORNIS.* 



A. AGiLis. 44 Connecticut Warbler. A migrant in New 

 England. Extremely rare in spring, and generally rare in 

 autumn, though more than a hundred specimens were taken 

 at Cambridge in two years, when these birds were extraordi- 

 narily abundant in the fall.f 



a. About 5J inches long. Above, olive green, becoming 

 ashy-tinted on the head. Eye-ring, whitish. Throat (and 

 upper breast), ashy or brownish. Other under parts, yellow. 

 Crown, olive in autumn. 



b. I believe that the nest and eggs of these birds have 

 never been discovered by any ornithologist. J 



c. The Connecticut Warblers have hitherto, with two re- 

 markable exceptions, been very rare migrants through Mas- 

 sachusetts ; but they may become more common hereafter. 

 I have seen them but once in spring, (then only an individual 



* This is now made a subgenus of J A nest and eggs, positively iden- 



Geothlypis. W. B. tified by the capture of both of the 



44 The Kentucky Warbler (O. for- parent birds, and now in the National 



mosa) may stray to New England, Museum, were taken near Carberry, 



though I know no instance of its so do- Manitoba, June 21, 1883, by Mr. Ernest 



ing. It has been known to breed in E. Thompson. The nest " was entirely 



eastern New York. composed of dry grass, and sunken level 



t A late spring and early autumn with the surface " in the top of a low 



migrant, exceedingly rare at the former mossy mound. "The eggs, four in 



season, but during the latter half of number, measured .75 X .56 in. Before 



September rather common throughout being blown they were of a delicate 



most of southern New England, and, at creamy white, with a few spots of lilac 



a few places (especially the Fresh Pond purple, brown, and black, inclined to 



swamps in Cambridge), positively abun- form a ring at the large end." (Auk, 



dant at times. There are as yet only a Vol. I, April, 1884, pp. 192, 193.) 



few records for northern New England. W. B. 



W. B. It is much more probable that they 



were overlooked prior to 1870. W. B. 



