266 KEPORT OF NEW JERSEY STATE MUSEUM. 



ff. No black on cheeks or frontlet. 



g. Crown more or less black, frontlet yellow. 

 WILSON'S WARBLER, p. 291 

 gg. Crown with a central chestnut or orange 

 spot. 

 h. Spot chestnut. 



NASHVILLE WARBLER, p. 270 

 hh. Spot orange. 



ORANGE-CROWNED WARBLER, p. 271 

 ggg. Crown uniform with the back. 



h. Lower abdomen white, much paler 



than the breast or under tail-coverts. 



MARYLAND YELLOW-THROAT 



(female), p. 288 



hh. Abdomen yellow, uniform with breast 

 and under tail-coverts. 



MOURNING WARBLER, p. 287 



636 Mniotilta varia (Linnaeus). 

 Black-and-White Warbler. 



Adult male. Length, 4.60-5.50. Wing, 2.75. Above, striped everywhere with 

 black and white ; sides and top of head, black, with a white stripe over each 

 eye and down the middle of the crown ; wings, black, edged with grayish-white ; 

 inner feathers broadly edged with pure white and coverts tipped with the same, 

 forming two wing bars; tail, grayish-black ; middle feathers, gray, with black 

 along the shaft, two outer pairs with a terminal white spot on the inner vane ; 

 body below everywhere striped with black and white, except the center of the 

 breast, which is white. In autumn the throat is nearly pure white. 



Adult female. Similar, but the white above tinged with buff ; stripes on the 

 under side restricted to the sides of the body and more or less indistinct ; sides 

 washed with buff. 



Young in first summer. Dark brown above, streaked with a lighter shade ; 

 head streaks, dull white ; below, dull white, washed with brown on throat and 

 sides and obscurely streaked. 



Young in first autumn. Similar to autumnal adult, but streaks below much 

 narrower and restricted to the sides of the body. 



Nest of grass, bark, etc., on the ground under the shelter of a log ; eggs, four 

 to five, white, spotted with brown about the larger end, .65 x .50. 



Common summer resident in the northern counties; less abundant 

 breeder in the southern part of the State. Arrives April 18th (April 

 26th), departs October 5th. 



The Black-and-White Warbler is a "tree-creeper" of no mean ability, 

 and in the migrations we see him constantly circling the trunks in a 

 way that would do credit to a Creeper or Nuthatch. His song is a 



