BIRDS — SYLVICOLIDAE — DENDROICA VIRENS. 



267 



Comparative measurements of species. 



DENDKOICA VIEENS, B a i r d . 



Black-throated Green Warbler. 



Motacilla virens, Gmelin, Syst. Nat. I, 1788, 985. 



Sylvia virens, Latham, Ind. Orn. II, 1790, 537. — Vieillot, Ois. Am. Sept. 11, 1807, 33 ; pi. xciii. — Wilsok, Am. 



Orn. II, 1810, 127 ; pi. .xxvii, f. 3.— Bonap. Obs. Wils. 1826, No. 146.— Ndttall, Man. I, 1832, 



376 —Add. Orn. Biog-. IV, 1838, 70 ; pi. 399. 

 Sylvicoltt virens, "Swainson," Jard. ed. Wils. 1832— Bonap. List, 1838. — Add. Syn. 1839, 55.— Ib. Birds Amor. 



II, 1841, 42 ; pi. 84 — Reinhardt, Vid. Med. for 1853, 1854, 72, 81. 

 Rhimanphus virens, Cabanis, Mus. Hein. 1851, 19. — Ib. Journ. Orn. Ill, 1855, 474. 



Sp. Ch. — Male — Upper parts, exclusive of wing and tail, clear yellow olive green, the feathers of the back with hidden 

 Blreaks of black. Forehead and sides of head and neck, including a superciliary stripe, bright yellow. A dusky olive line 

 from the bill through the eye, and another below it. Chin, throat, and forj part of breast, extending some distance along on 



