316 mniotiltidj?;. 



1868, p. 420 ; Cooper, B. Calif, p. 88 (1870) ; Coues, Key N. Amer. 



B. p. 100 (1872) ; Scl. ^- Salv. Nomencl. Av. Neotr. p. 9 (1873) ; 



Coues, B. N.-West, p. 232 (1874) ; Rkhjw. Rep. U.S. Geol. Ea.pl. 



4:0th Far. p. 433 (1877) ; Coues, B. Color Vail. p. 271 (1878) ; id. 



Bull. U.S. Geol. Surv. iv. p. 506 (1878) ; Salv. ^ Goclm. Biol. 



Centr.-Amer., Aves, i. p. 128 (1880) ; Ridqxu. Bxdl. U.S. Nat. Mus. 



no. 21, p. 17 (1881) ; Coues, Key N. Amer. B. 2ud ed. p. 302 (1884). 

 Dendroica audubonis, Baird in Ives's Rep. Color, pt. 6, p. 5 (1861 ). 

 Dendroeca coronata, var. auduboni, Ridqw. Bull. Essex Inst. v. p. 180 



(1873). 



Adult male in breedinr/-plumage. Gleneral colour above slaty blue, 

 mottled with black centres to the feathers ; the hind neck uniform ; 

 a band of bright yellow across the rump ; lesser wing-coverts and 

 scapulars like the back, with similar black centres to the feathers ; 

 median wing-coverts black, with broad white tips ; greater coverts 

 black, white along the outer web and at the ends ; bastard- wing 

 black, fringed with white ; primary-coverts and quills black, edged 

 with ashy grey, paler and more hoary white on all but the inner 

 secondaries ; upper tail-coverts black, with slaty-blue margins ; 

 tail-feathers black, edged with slaty blue, the outer feathers with 

 white, aU but the centre feathers with a large patch of white near 

 the end of the inner web ; on the top of the crown a patch of bright 

 yellow ; the rest of the head slaty blue, with indistinct black centres 

 to the feathers, forming a line along the yellow coronal patch ; 

 sides of face and ear-coverts slaty blue, the fore part of the latter 

 shaded with black, which extends below the eye and onto the lores ; 

 cheeks slaty blue, with tiny black centres to the feathers ; side of 

 neck slaty blue ; throat golden yellow ; fore neck black, extending 

 on to the sides of the breast, the feathers of which have hoary mar- 

 gins ; flanks white, streaked with black ; on each side of the upper 

 breast a large patch of golden yellow ; centre of breast, abdomen, 

 and under tail-coverts white : thighs white, with dusky bases ; 

 axiUaries dusky grey, with whitish edges ; under wing-coverts 

 white, mottled with dusky bases near the edge of the wing ; quiUs 

 blackish below, ashy white along the inner web : " bill and feet 

 black ; iris brown " (Audubon). Total length 5 inches, culmen 0-5, 

 wing 3, tail 2-2, tarsus 0-75. 



Adult ill winter jjlumage. Brown above instead of slaty blue, the 

 yellow coronal patch entirely obscured by brown, the back more 

 narrowly centred with black ; rump-band bright yellow ; upper 

 tail-coverts black, margined with slaty blue ; wings and tail as in 

 the summer plumage, but the margins to the quills browner and 

 the white on the wing-covorts more or less obscured with brown ; 

 sides of face brown ; lores ashy : eyelid white ; chin whitish ; throat 

 yellow, the lower throat dull white, washed with brown ; remainder 

 of under surface dull white, obscurely mottled with black on the chest 

 and sides of body ; on the sides of the latter a patch of saffron-yellow. 



In some of the specimens killed in winter the yellow extends over 

 the chin as in summer, but the colour is always much paler. 



Young in winter plumage. Browner than the winter plumage of 

 the adults, even the upper tail-coverts being washed with brown, 



