D. MACULOSA : BLACK-AND-YELLOW WARBLER. I43 



BLACK-AND- YELLOW WARBLER. 



DeNDRCECA MACULOSA {Gm.) Bd. 



Chars. Male, adult : Back black, quite pure or with olivaceous 

 edgings of the feathers ; rump bright yellow ; crown clear ash, 

 bordered on the sides by white, framed in black, there being a 

 black band across forehead and along sides of head, joining that 

 of back, enclosing the white under eyelid. Entire under parts 

 rich yellow, heavily streaked across breast and along sides of 

 body with black ; under tail-coverts white. Wing-bars white, 

 usually fused in one large patch ; tail-spots white, of small size 

 and rectangular shape, near the middle of all the feathers except 

 the middle pair. Female : Similar, mixed black and olive-gray 

 above, the head-markings obscure, the pectoral and lateral streaks 

 smaller and fewer. Young: Above, ashy-olive, becoming quite 

 gray on the head ; no head-markings, and no streaks below, or 

 but few, and only along the sides ; recognized by conspicuously 

 yellow rump and under parts, and small square spots on the mid- 

 dle of the tail-feathers. Length, 4.75-5.00; extent, 7.50; wing, 

 2.50 ; tail, 2.00. 



This is a dainty little bird, one of the most dressy 

 of a family noted for the richness and elegance of their 

 attire. Through southern New England it passes in 

 spring and fall, to and from its summer home in the 

 Canadian Fauna. A few may linger to breed in the 

 higher parts of Massachusetts, but the species is prac- 

 tically restrained, by the mysterious instinct which 

 comes into play in all such cases, from nesting south 

 of the Fauna just named. Entering Connecticut early 

 in May in large numbers, the 'Magnolias' are com- 

 monly observed throughout that month, by the end of 

 which they have passed through the Carolinian and 

 Alleghanian Faunae ; they are scarcely or not to be 

 seen there again until the end of August, and not in 

 any numbers until September, during the whole of 



