100 NEW-YORK FAUNA — BIRDS. 



THE BLACK-THROATED GREEN WARBLER. 



Sylvicola virens. 



PLATE L. FIG. 114 (Male). 

 (STATE COLLECTION.) 



Motacilla virens, Gmelin. Sylvia id. Latham. 



Green Warbler. Pennant, Arct Zoo]. Vol. 2, p. 404. Vieillot, pi. 92. 



S. virens. Wilson, Am. Om. Vol.2, p 137, pi 17, fig. 3. Bonaparte, Ann. Lye. N. Y. Vol. 2, p. 80. 



S. id. Addubon, folio, pi. 399; Orn. Biog. Vol. 4, p. 70. Nuttall, Man. Orn. Vol. I, p. 376, figure. 



Black-throated Green Wood-warbler. Audubon, B. of A. Vol.2, p. 42, pi. 81 (male and female). 



Id., S. virens. Giraud, Birds of Long Island, p. 57. 



Characteristics. Yellowish green. Front cheeks, sides of the neck, and line over the eye 

 yellow. Beneath dusky white. Chin and throat black : wings bifa- 

 sciate with white. Female : chin yellowish ; throat dusky ; beneath 

 faint buff. 



Description. Bill short, slightly curved and notched : bristles distinct. Second and third 

 quills longest, subequal. Tail rounded, emarginate, an inch longer than the closed wings. 



Color. Wings and tail brown ; the former with two white bars. Edges of the seconda- 

 ries white- Outer three tail-feathers white on both vanes to near the tip ; the others more or 

 less largely spotted with white. All above light yellowish green. Frontlet, band over the 

 eye, cheeks and sides of the neck bright yellow. Female : stripe through and beneath the 

 eye dull olive ; chin slightly yellowish ; breast obscurely spotted and mottled with black, de- 

 scending along the flanks. The third external tail-feather spotted, and edged with white on 

 its inner vane. 



Length, 4' 5 -5-0. Alar extent, T 5 -8-0. 



This species, which is somewhat rare, I have obtained from Long island and the southern 

 river counties. It breeds in Massachusetts, and undoubtedly in this State, but I have not yet 

 met with its nest. It appears with us about the 10th of May, and penetrates to the 50th 

 degree of north latitude. It leaves us in October, on its way to its winter retreat in Mexico. 

 It is active in the pursuit of small winged insects. 



