BIRDS OF NORTH AND MIDDLE AMERICA. 563 



Young tnal<\ first plumage. — ''Remigcs and rectrices as in adult; 

 greater and median wing-coverts just tipped with soiled white, forming 

 two very narrow, indistinct wing-bands. Rest of upper parts dark 

 slaty-lirown, each feather of the back edged with l)right greenish. 

 Superciliar}' stripes (just meeting in a narrow line on the forehead), 

 eyelids, maxillary line, and chin, bright yellow. Sides of head dark 

 slate; under parts soiled white, each feather on the breast and sides 

 with a terminal spot of black; on the throat and jugulum these spots 

 become large blotches of dark slate, the feathers being just tipped and 

 edged with light 3'ellow. From a specimen in my collection shot at 

 Cambridge, Massachusetts, July 30, 1875. Like most of the previously 

 described young warblers, this bird has a narrow central line of yellow 

 feathers extending down the throat and jugulum to the breast."^ 



Adult male. — IjQwgih. (skins), 110-120 (113.6); wing, 61-61 (63.8); 

 tail, 45-49 (IT. 8); exposed culmen, 9-10 (9.9); tarsus, 16-18 (17.3); 

 middle toe, 9-11 (10.2).^ 



Adult female.— Length (skins), 104-115 (108.9); wing, 58-61 (60): 

 tail, 45-47 (46); exposed culmen, 9-10 (9.7); tarsus, 16-19 (17.7); mid- 

 dle toe, 9-11 (10.1).^ 



Eastern North America; north to Nova Scotia, shores and islands of 

 Gulf of St. Lawrence, Newfoundland, southern shores of Hudson 

 Bay, etc.; breeding southward to mountains of Connecticut, New 

 York, and Pennsylvania, northeastern Illinois (?), and along higher 

 Alleghenies to eastern Tennessee (Roan Mountain, etc., 4,000 feet), 

 western North Carolina (Black Mountains, above 5,000 feet), and 

 northwestern South Carolina (Pickens County); west to edge of the 

 Great Plains; in winter south to West Indies (Bahamas, Cuba, Isle 

 of Pines, Jamaica, Dominica, Guadeloupe) and through eastern 

 Mexico (including island of Cozumel) and Central America to Isthmus 

 of Panama (Lion Hill Station, Panama Railroad). Accidental in 

 southern Greenland (Julianshaab, one specimen, 1853) and Heligoland 

 (October 1, 1858). 



\^Motacilla] virens Gmelin, Syst. Nat., i, pt. ii, 1788, 985 (based on The Black-throated 

 Green Warbler, Muscicapa viridis gutture nigro Edwards, Gleanings Nat. Hist., 

 ii, 190, pi. 300, up. fig.). 



[Siflvia'l cirens Latham, Index Orn., ii, 1790, 537. — Vieillot, Ois. Am. Sept., ii, 

 1807, 33, pi. 92; Nouv. Diet. d'Hist. Nat., xi, 1817, 179; Enc. Meth., ii, 1823, 

 440. — Wilson, Am. Orn., ii, 1810, 127, pi. 17, fig. 3. — Stephens, Shaw's Gen. 

 Zool., X, 1817, 740.— Bonaparte, Journ. Ac. Nat. Sci. Phila., iv, 1824, 192; 

 Ann. Lye, N. Y., ii, 1826, 80.— Nuttall, Man. Orn. U. S. and Can., i, 1832, 

 376.— Audubon, Orn. Biog., iv, 1838, 70, pi. 399.— Gatke, Naumannia, 1858, 

 423 (Heligoland); Proc. Zool. Soc. Lond., 1860, 108 (do.). 



Si/lvicola virens Jardine, ed. Wilson's Am. Orn., i, 1832, 279. — Richardson, Rep. 

 Brit. Assoc, for 1836 (1837), 172.— Bonaparte, Geog. and Comp. List, 1838, 

 22.— Audubon, Synopsis, 1839, 55; Birds Am., oct. ed., ii, 1841, 42, pi. 84.— 



' Brewster, Bull. Nuttall Orn. Club, iii, 1878, p. 57. 

 ^ Nine specimens. ^ Seven specimens. 



