Bill short, straight, rather strong, tapering, scarcely broader than high at the base, compressed toward the end; upper mandible with its dorsal outline declinate and nearly straight, the tip slightly declinate, the edges overlapping, with a slight notch; lower mandible with the angle short and rounded, the dorsal line straight, the sides convex, the edges a little inclinate, the tip narrow. Nostrils basal, oval or oblong, partially concealed by the feathers. Head of ordinary size; neck short; body rather slender. Feet of ordinary length, rather slender; tarsus longer than the middle toe, much compressed, covered anteriorly with seven scutella, very sharp behind; toes of moderate length, slender, free, the outer united as far as the second joint, the hind toe proportionally large; claws moderate, well arched, much compressed, laterally grooved, very acute. Plumage soft and blended. Bristles at the base of the upper mandible feeble. Wings rather long, little curved, pointed; the second quill longest, the first and third slightly shorter. Tail rather long, emarginate. 76. 1. Sylvicola coronata, Lath. Yellow-crowned Wood-Warbler.--Yellow-crowned Warbler. Yellow-rump Warbler. Second quill longest, third scarcely shorter, first longer than fourth; tail slightly emarginate. Male with the upper parts deep ash-grey, streaked with black; crown, rump, and a patch on the sides of the body, rich yellow: secondary coverts, and first row of small coverts tipped with white, which forms two bars on the wing; quills dark brown, margined with light greyish-brown; tail feathers brownish-black, margined with ash-grey, the outer three on each side with a white patch on the inner web near the end; a slender white line over the eye; feathers of the eyelids white; lore and cheek black; throat white; lower neck, fore part of breast and sides variegated with black, the tips of the feathers being white; the rest of the lower parts white. Female without the yellow spot on the crown, although the feathers there are tinged with that colour at the base; the upper parts tinged with light brown, the yellow spots on the sides and rump paler. _Male_, 5-1/4, 8-1/2. From Texas northward, and throughout the interior. Extremely common. Migratory. Yellow-rump Warbler, Sylvia coronata, Wils. Amer. Orn. v. ii. p. 138. Sylvia coronata, Bonap. Syn. p. 78. Yellow-crowned Warbler, or Myrtle Bird, Sylvia coronata, Nutt. Man. v. i. p. 361. Yellow-rump Warbler, Sylvia coronata, Aud. Orn. Biog. v. ii. p. 303. 77. 2. Sylvicola Auduboni, Townsend. Audubon's Wood-Warbler,--Audubon's Warbler. Plate CCCXCV. Fig. 1. Male. Fig. 2. Female.