66 JAEGERS ANI) SKl'AS.

coast, and more rarely through the (treat Lakes. and winters from Long Island southward.

Long Island, regular from June 1.3 to Net. 30. Sing Sing. .\. \'.

Just, on the ground. Ilia/N. two to three. deep Hli\‘e»ill'ali sparingly spot— ted with slate eolot: and light and dark ra\\>innber markings and b',aek dots, ehietly at the larger end, where they beeome eonlluent. 2'27: x 1'70 Brewer).

37. Stercorarius parasiticus (1.171111). PARA "1e .l.\|-, 111:1: (see Fig. (3, u). ;l1/.7 [Kg/lit lu/zastfi Hat-k" wings, and tail slaty tiise1uis; top of the head and lores nearly blaek; sides of the head and back ot‘ the neck straw- yellow, this eolor sometimes spreading down the sides of the ueek and on the throat; breast and belly white; sides ot’ the breast‘ tlanks. low er belly, and crissum slaty t’useous; tarsi and feet tin dried speeimens, blael; ; middle tail—feathers pointed and extending about {We beyond the others. ‘11]..11111'15 panda—Entire plumage dark, slaty brown. darker on the top of the head; under parts slightly lighter' sometimes a traee ot' stra\\'—yellow on the sides and baek ot' the neek; taisi. feet. and tail as in the preeeding. 1711., Jig/1t p/2a81‘.il'pperparts. wings. and tail l‘useous; the feathers ot' the buek, neek,

and head more or less bordered, tipped, or barred with butly; hindsneek and head sometimes butl'y7 streaked or barred with fuseous. and varying from this color to plain t'useous: longer, lateral upper tail~eorerts barred with bufi'y; tail butl'y, whitish at the base; under \\‘ing—eo\'el‘ts barred with butty; under parts white, washed with bull'y. and ir ‘gularly barred with sooty

t'useous; these bars sometimes Very nunu-rous when the under parts looked as it' washed with sooty t'useous: ‘ gain, they may be less numerous and eon- fined to the breast and sides, leaving the belly white; eentral tail—leathers

pointed, projeeting more or less beyond the rest. /m.. «(qr/x11/111se.—Sooty fus—

eous, the feathers. partieularly on the under parts. more or less marked with ochraeeous—butl". L, 17-00; \V.. 13'0”: T.. Ad.. N'HO. lm.. 6'40; R. 1'15,

la’c7lzai'l's.—Tliis species closely resembles N, /o//I1/1'r11711/us. Adults ot'bnth Species. whether in the dark or light phase of plumage. may always be dis— tinguished from eaeh other by the, ditl'erenee in the length of their eeutral tail—feathers, in addition to the eharaeters given in the key. Youm! liirds am not be distinguished by eolor, but may be identified by the ditlerenees in relative proportions of the, bill.

]i’(111_17e.—“ Northern parts of the northern hemisphere. southward in win» ter to South Afrie: and South Ameriea“ (A. U. l'.). ln .\meri -a 1needs in the Barren Grounds and Greenland; migrates southward through the (ireat, Lakes and along the Atlantie coasts, and winters l'l‘om the Middle States southward.

l oug lsland regular from lune l D to (let , t‘.

J'rst. on the moors or tundras‘ a slight depression in the ground r‘i‘ilutily lined with gr 'es‘ ete.. or on roeks by the sea. [Cy/(Is. two to tour. llfllll “li\'(-~ brown. with frequently a strong greenish tinge and ehoeolate marking-‘3 more

numerous and sometimes eonllnent at the larger end. 2'2?) x 1'53.

38. Stercorarius longicaudus l 1111/]. lawn—'ix-uimm .l.\rlti1€I!~ A11 11/171! [1111191. —llaek w.ings and tail slaty t'useous; top of head and lures nearly black; sides 0! the head. bat-k and sides of the neek straw—yellow;