455. 2. Lestris Richardsonii, Swains. Richardson's Jager.

Plate CCLXXII. Male and Young.

Male with the bill greyish-black, tinged with blue above; feet black;

tail-feathers of moderate length, except the middle two, which extend

about three inches beyond the rest, and taper to a point; plumage

sooty-brown; the upper part of the head, primary quills, and tail

darker; cheeks and sides of neck dull yellow; fore part of neck and

breast white. Female similar, but without white on the neck and

breast, those parts being merely of a lighter brown. Young, when

fledged, with the bill light blue, dusky at the end; tarsi and basal

portion of the toes and webs light blue, the rest black; general

colour of the plumage sooty-brown, lighter on the neck and lower

parts, feathers of the back and wings all marginally tipped with

whitish; breast, sides, lower wing-coverts, abdomen, and lower

tail-coverts, undulatingly barred with pale greyish-yellow.

_Male_, 18-1/2, 40. _Young_, in September, 15-1/2; wing, 11-1/2.

Coast of Massachusetts and Maine, during winter. Breeds in the

northern barren grounds, away from the coast.

Lestris Richardsonii, Richardson's Jager, Swains. & Rich. F.

Bor. Amer. v. ii. p. 433.

Richardson's Jager, Nutt. Man. v. ii. p. 319.

Richardson's Jager, Lestris Richardsonii, Aud. Orn. Biog. v.

v. p. 503.

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