Connecticut Warbler, Sylvia agilis, Wils. Amer. Ornith. vol. v. p. 64. pl. 39. fig. 4.—Nuttall, Manual, part i. p. 399.
Adult Male, Plate CXXXVIII, Fig. 1.
Bill short, straight, conico-subulate, acute; nostrils basal, lateral, oval, exposed; head of moderate size; neck short, body rather slender; feet of moderate length; tarsus slender, compressed, scutellate before, sharp behind; toes free, the lateral equal, the hind one not much stronger; claws arched, slender, much compressed, acute.
Plumage soft and blended, with little gloss; wings rather short, the first and second quills longest; tail of moderate length, rounded, and emarginate.
Bill light-brown on the ridge and tips, flesh-coloured beneath. Iris hazel. Legs pale flesh-coloured. The general colour above is rich olive-green, the concealed parts of the quills and tail dusky-brown; eye margined with a ring of yellowish-white; throat ash-grey, the rest of the under parts dull greenish-yellow, excepting the sides, under the wings, which are olive-green.
Length 5¾ inches, extent of wings 8; bill along the ridge 4⁄12, along the edge 6½⁄12; tarsus 10⁄12.
Adult Female, Plate CXXXVIII, Fig. 2.
The Female resembles the male in the upper parts, but the throat is greenish-yellow, and the rest of the under parts somewhat less richly coloured than those of the male.
Gentiana saponaria, Willd. Sp. Pl. vol. i. p. 1388. Pursh, Fl. Amer. Sept. vol. i. p. 185.—Pentandria Digynia, Linn. Gentianeæ, Juss.