THE BIRDS OP NEW JERSEY. 265 



ff. Back olive, spotted with black. 

 g. Ear-coverts chestnut. 



CAPE MAY WARBLER, p. 273 

 gg. Head olive, streaked with black. 



BLACKBURNIAN WARBLER (young), p. 279 

 ggg. Head plain gray. 



MAGNOLIA WARBLER (young), p. 276 

 66. Not streaked below. 



c. A chestnut and black spot on the breast. 



PARULA WARBLER, p. 272 

 cc. Throat black. 



d. Belly gray, yellow restricted to crown and wing-coverts. 

 GOLDEN-WINGED WARBLER, p. 269 



dd. Belly yellow. HOODED WARBLER, p. 290 



ccc. Throat gray or ashy, abdomen yellow. 



d. A black patch on breast. MOURNING WARBLER, p. 287 

 dd. No black patch on breast. 



r. A white eye ring. CONNECTICUT WARBLER, p. 287 

 ce. No eye ring. MOURNING WARBLER (female), p. 287 

 cccc. Throat white or gray, abdomen not yellow. 



d. Yellow on crown and wing-coverts and rump only. 

 e. Sides of body chestnut. 



CHESTNUT-SIDED WARBLER, p. 277 



ee. Sides not chestnut. GOLDEN-WINGED WARBLER, p. 269 

 dd. Yellow on sides of chest, wings and tail only. 



REDSTART (female), p. 291 

 ccccc. Throat yellow or olive-yellow. 



d. Tail feathers partly yellow. 



YELLOW WARBLER (young), p. 274 

 dd. Tail feathers partly white. 



e. Back olive or slaty, head more or less yellow. 

 f. Whole head deep yellow. 



PROTHONOTARY WARBLER, p. 267 

 ff. Fore part of crown yellow. 



g. A black spot in front of the eye. 



BLUE-WINGED WARBLER, p. 268 

 f/f/. No spot in front of the eye. 



HOODED WARBLER, p. 290 

 ee. No yellow on crown. 



f. Wings bluish-gray. 



PARULA WARBLER (female and young), p. 272 

 //. Wings olive. 



TENNESSEE WARBLER (young and fern.), p. 272 

 fff. Wings dull brownish. 



PINE WARBLER (female), p. 280 

 ddd. Tail with no white markings. 



<. Wing, 3. CHAT, p. 289 



ee. Wing, 2.60 or less. 



f. Entire cheeks and frontlet black, or merely a 

 dusky area below the eye (young). 

 g. Wing, 2.60. KENTUCKY WARBLER, p. 286 

 gg. Wing, 2.20. 



MARYLAND YELLOW-THROAT, p. 288 



