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DENDR<ECA CORONATA. 



Yellow-rumped Warbler. 

 Dendroeca coronata GRAY, Genera, 2d ed., Suppl., 1842, 8. 



DESCRIPTION. 



SP. CH. Form, not slender. Size, moderate. Bill, shorter and more slender than in D. itrinta and distinctly 

 notched. Feet, rather small. Wings and tail, moderate, the latter square and slightly emarginatc. Sternum, 

 precisely similar in form to that of xtriatu ct pina. Tongue, rather short and fleshy, somewhat abruptly acuminate, 

 slightly bitkl, the end fringed with >hori cilia whirh extend a short distance along the sides. 



Ccn.oi:. Aiiiilt mtile in .tpriiKj. Above, slaty blue streaked with black. Spot on top of the head, on each side 

 of the body, and the rump, bright yellow. Wings, dark brown edged with slaty and whitish. Upper wing coverts, 

 black, margined with .slaty and tipped with white, forming two bars. Tail also brown with the six outer feathers 

 spotted terminally on the inner webs with while. Beneath, including the throat, under tail coverts and under wing 

 coverts, white. Sides of head, breast, and brond lines on the sides, black, with streaks of the same on the flanks; 

 the black of the breast and sides is frequently mixed with white. There is a white superciliary line over the eye. 



/', mull . in .i/iriin_i, differs from the male in having less black above and below. There is a brownish east over the 

 back. There is less yellow op the sides, rump and head while the feathers of the latter are tipped with dusky. The 

 car eoverts are nearly dusky and the superciliary line is not as well defined. 



The niliilt mull-, in intiHMii. almost exactly resembles the female in spring excepting that the patches of yellow 

 are larger; there is also more of the brownish siitlusion above and rather more white beneath. 



The adult female, in autumn, is much browner above than the male and has also a brownish suffusion beneath. 



The young male resembles the autumnal female. The sides of the head, yellow of the crown, and sides are 

 somewhat obscured with brownish. 



Tin- ii'ntng female is so brown above as nearly to obscure the black markings of the back and the yellow of the 

 crown. The black beneath is nearly obsolete and the yellow of the sides ts only faintly indicated. 



Tit-' ymitg, in the nesting plumage, have the tail and wings like the young in autumn, but the body above and 

 below is streaked with black anil white over which is a rufous suffusion; this is caused by every feather having a 

 black centre with lighter sides. The sexes are similar. Occasionally a specimen in this stage will have a yellow 

 rump: out of five which I collected on Grand Manan one is thus marked and strangely this individual proved a 

 female by dissection. A nestling collected by Mr. Herrick in the above named locality has acquired the yellow rump 

 tliiMiii;li moulting before shedding any other feathers. In all stages the [rides are brown; the feet and bill, black. 



OBSERVATIONS. 



Just before the moult, in autumn, the yellow patches grow much paler, in fact, become lemon-colored. I 

 have taken very brightly plumaged males in spring with considerable yellow In the white of the throat, In this 

 respect approaching the D. Audubonia of the West. Aside from the yellow throat, Audttbonia closely resembles 

 1 1. I'm-iinata; it has, however, less black above, more white on the tail and wing coverts and it lacks the superciliary 

 stripe of coronata, but the eyelids are white as in that species. The Yellow-rump need not be confounded with any 

 other species except Audubonia. Breeds Jrom Northern New England north to the Arctic Ocean and according 

 to Prof. Baird, in Jamaica. Winters in the Southern states. 



DIMENSIONS. 



Average measurements of thirty-two specimens. Length, 6-52; stretch, 8-71 ; wing, 2-89; tall, 2-22; bill. -48; 

 tarsus, -70. Longest specimen, 5-75; greatest extent of wings, 9-80; longest wing, 3-00; tail, 2-77; bill, -40; tarsus, 

 90. Shortest specimen, 5-00; smallest extent of wings, 8-00; shortest wing, 2-58; tail, 2-00; bill, -32; tarsus, -60. 



DESCRIPTION OF NESTS AND EGGS. 



\i-ftg, usually placed in evergreen trees but a short distance above the ground; composed of sticks and roots, 

 lined with feathers and horse hairs. Dimensions: external diameter, 4 inches, internal, 2; external depth, 2 inches, 

 internal, l-.io. 



Eyys, four in number, oval in form, white in color, generally with a ring of partly confluent spots and blotches 

 of umber, brown and lilac around the largest part of the eggs. The remaining surface Is more or less dotted with 

 pale brown. Dimensions from -72 x -55 to -70x-60. 



HABITS. 



The Yellow-rumped Warbler is one of the most abundant winter birds of Florida. This 

 active little species frequents the hummocks of the mainland everywhere, and one can scarcely 

 approach a thicket without seeing one or more of them ; but by the middle of March- they 



