Upper plumage olivaceous brown, tinged with yellow, and spotted with dusky: above the eye a broad white streak: tail moderate.
S. Phragmitis, Temm. Man. d'Orn. torn. I. p. 189. Sedge Warbler, Mont. Orn. Diet. Selb. Illust. vol. I. p. 201. pl. 45**. f. 2. Reed Warbler, Bew. Brit. Birds, vol. I. p. 246.
Entire length five inches five lines: length of the bill (from the forehead) five lines, (from the gape) seven lines and a half; of the tarsus nine lines and a half; of the tail two inches one line; from the carpus to the end of the wing two inches four lines: breadth, wings extended, seven inches five lines.
Top of the head, back, scapulars and wing-coverts, olivaceous brown, with a dark spot in the centre of each feather: neck, lower part of the back, rump and upper tail-coverts, plain yellowish brown: a broad and very distinct white streak above the eye, arising from the base of the bill, and extending the length of the head: all the under parts yellowish white, with a reddish tinge on the breast, sides, and under tail-coverts: quills brown with pale edges: tail deep yellowish brown: bill dusky above, whitish beneath: irides dark hazel: feet yellowish brown; soles yellow. (Egg). Greenish white; mottled all over with yellow brown: long. diam. eight lines; trans, diam. six lines.
Very abundant in marshy districts, and by the sides of rivers, visiting this country about the third week in April. Song much varied, imitative of that of other birds; kept up unceasingly during the breeding season, and often heard in the night. Nest generally suspended between the stems of reeds at a little distance from the ground; composed of dried stalks, with the addition of a little moss, and lined with hair and the finer grasses. Eggs five or six in number; hatched towards the end of May, or beginning of June.