AUTUMNAL WARBLER. 355 



there is not more thau one or two of these birds to be found 

 here in a season, even with the most diligent search. 



The blackburnian warbler is four inches and a half long, 

 and seven in extent ; crown, black, divided by a line of 

 orange ; the black again bounded on the outside by a stripe 

 of rich orange passing over the eye ; under the eye, a small 

 touch of orange yellow; whole throat and breast, rich fiery 

 orange, bounded by spots and streaks of black; belly, dull 

 yellow, also streaked with black ; vent, white ; back, black, 

 skirted with ash ; wings, the same, marked with a large 

 lateral spot of white ; tail, slightly forked ; the interior vanes 

 of the three exterior feathers, white ; cheeks, black ; bill and 

 legs, brown. The female is yellow where the male is orange ; 

 the black streaks are also more obscure and less numerous. 



AUTUMNAL WAEBLEK. (Sylvia autumnalis.) 



PLATE XXIII. —Fig. 4. 



SYLVICOLA? AUTUMNALIS.— J AnvmE. 



Sylvicola autumnalis, Bonap'. Synop. p. 84. — The Autumnal "Warbler, Aud, plate 

 88; Om.—Biog. i. p. 447. 



This plain little species regularly visits Pennsylvania from 

 the north, in the month of October, gleaning among the 

 willow leaves ; but, what is singular, is rarely seen in spring. 

 From the 1st to the 15th of October, they may be seen in 

 considerable numbers, almost every day, in gardens, particu- 

 larly among the branches of the weeping willow, and seem 

 exceedingly industrious. They have some resemblance, in 

 colour, to the pine-creeping warbler ; but do not run along 

 the trunk like that bird, neither do they give a preference to 

 the pines. They are also less. After the first of November, 

 they are no longer to be found, unless the season be uncom- 

 monly mild. These birds, doubtless, pass through Pennsyl- 

 vania in spring, on their way to the north; but either make 



