Vireo gilvus, Bonap. Syn. p. 70. Warbling Vireo, Nutt. Man. v. i. p. 309. Warbling Flycatcher or Vireo, Vireo gilvus, Aud. Orn. Biog. v. ii. p. 114; v. v. p. 433. 242. 5. Vireo Bartrami, Swains. Bartram's Greenlet. Plate CCCCXXXIV. Fig. 4. Male. Wings of moderate length, with the second and third quills longest and about equal, the fourth scarcely shorter, the first considerably shorter than the fifth. Upper parts light yellowish-olive, the crown of the head deep grey, bordered on each side by a blackish line, below which is a band of yellowish-white from the nostril over the eye; loral space dusky; quills and tail-feathers brown, margined with greenish-yellow; lower parts greyish-white, the sides greenish-yellow. _Male_, 4-7/8, 7-3/4. From Texas to New York. Not met with in the interior. Rather rare. Migratory. Vireo Bartramii, Swains. Bartram's Greenlet, Swains. & Rich. F. Bor. Amer. v. ii. p. 235. Bartram's Vireo, Vireo Bartramii, Aud. Orn. Biog. v. v. p. 296. 243. 6. Vireo olivaceus, Linn. Red-eyed Greenlet. Plate CL. Male. Wings long, with the second quill longest, the third slightly shorter, the first considerably longer than the fourth, upper parts light yellowish-olive, crown of the head deep grey, bordered on each side by a blackish line, below which is a band of white; quills and tail-feathers brown, margined with greenish-yellow; lower parts greyish-white, the sides greenish-yellow; iris red. _Male_, 5-1/2, 9. From Texas to Nova Scotia, and through the interior. Accidental in the Fur Countries. Abundant. Migratory. Red-eyed Flycatcher, Muscicapa olivacea, Wils. Amer. Orn. v. ii. p. 55. Vireo olivaceus, Bonap. Syn. p. 71. Vireo olivaceus, Red-eyed Greenlet, Swains. & Rich. F. Bor. Amer. v. ii. p. 233. Red-eyed Vireo, Vireo olivaceus, Aud. Orn. Biog. v. ii. p. 287; v. v. p. 430. FAMILY XXI. PIPRINÆ. MANAKINS. Bill short, stout, straight, depressed, being much broader than high at the base, with the dorsal line arched, the ridge narrow, the sides sloping, the gape-line straightish or slightly arched, the notches rather large, the tip very small and declinate. Head rather large, broadly ovate; neck short; body compact. Tarsus of moderate length, compressed, with seven anterior scutella; toes small, the hind one not much stouter, the lateral equal. Claws moderate, arched, compressed, acute. Plumage soft, full, and blended. Wings of moderate length, broad, and rounded. Tail short or of moderate length, generally rounded. Roof of upper mandible concave, with a prominent median line; tongue triangular, horny, thin-edged, rather obtuse, bristly at the end; œsophagus wide, without dilatation; stomach rather small, roundish, moderately muscular, with a dense rugous epithelium; intestine short, of moderate width; cœca very small. GENUS I. ICTERIA. Vieill. CHAT.