332 
PROCELLARINiE. LESTRIS. 
thin, dense, and longitudinally rugous ; intestine rather 
short and wide ; coeca rather long ; cloaca oblong. 
454. 1. Lestris pomarinus, Temm. Pomarine Jager. 
Plate CCLIII. Adult Female. 
Tail of moderate length, rounded, but with the two middle broad 
rounded feathers extending an inch beyond the next ; bill dull green, 
toward the end dusky ; tibia, toes, webs, and lower half of tarsus 
black, the upper half light blue ; upper part and sides of head ante- 
riorly brownish-black ; upper part of neck all round yellowish- white ; 
the rest of the neck white, barred with brownish-blacl^ each feather 
having two transverse bands of that colour ; breast white ; sides, ab- 
domen, and lower tail-coverts white, barred with brownish-black, as 
are the upper tail-coverts ; back and wings brownish-black ; primary 
quills of the same colour, white on the inner webs toward the base, as 
are the secondaries and tail-feathers; lower surface of wings mottled 
and barred with white and dusky. 
Female, 20^, 48. 
From Massachusetts northward. Seen in Labrador. Breeds in high 
northern latitudes. 
Lestris pomarina, Bo nap. Syn. p. 364. 
Lestris pomarina, Pomarine Jager, Swains. & Rich. F. Bor. Amer. v. ii. p. 429. 
Pomarine Ja^r, Nutt. Man. v. ii. p. 315. 
Pomarine Jager, Lestris pomarinus, Aun. Orn. Biog. v. iii. p. 396 ; v. v. p. 643. 
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 ; plu- 
mage sooty-jbrown ; 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 tlie 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^, 40. Young, in September, 15| ; wing, 11^^. 
Coast of Massachusetts and Maine, during winter. Breeds in the 
northern barren grounds, away from the coast. 
