694 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Lestris schleepii Brehm, Lehrb. Europ. Vog., ii, 1824, 996; Vog. Deutschl., 1831, 

 720; Naumannia, 1855, 294; Vogelf., 1855, 336. 



Lestris benichii Brehm, Lehrb. Europ. Vog., ii, 1824, 996 (Germany, migrant); 

 Vog. Deutschl., 1831,723. 



Lestris benickenii Brehis., Naumannia, 1855, 294; Vogelf., 1855, 336. 



Lestris macropteros Brehm, Vog. Deutschl., 1831, 721 (Iceland); Naumannia, 

 1855, 294; Vogelf., 1855, 336. 



L[estris] nc/!arc?so?m Jenyns, Man. Brit. Vertebr., 1835, 282. — Eyton, Cat. Brit. 

 Birds, 1836, 51. 



Lestris richardsonii Swainson, in Swainson and Richardson, Fauna Bor.-Am., ii, 

 1831, 433, pi. 73 (Barren Grounds, lakes of Fur Countries, and Fort Franklin; = 

 dark phase).— Nutt all, Man. Orn. U. S. and Can., Water Birds, 1834, 319.— 

 Audubon, Orn. Biog., iii, 1835, 503, pi. 272; Synopsis, 1839, 332; Birds Am., 

 8vo ed., vii, 1844, 190, pi. 452.— Gould, Birds Europe, v, 1837, pi. 441 and 

 text. — ScHiNZ, Europ. Fauna, i, 1840, 392. — Temminck, Man. d'Om., 2d ed., 

 iv, 1840, 493, 499.— Werner, Atlas, Palmipedes, 1840, pi. 33.— Crespon, 

 Orn. Gard, 1840, 495; Faun. M6rid., ii, 1844, 130.— Bouteille, Orn. Dau- 

 phine, ii, 1843, 254.— Yarrell, Brit. Birds, iii, 1843, 489; 2d ed., iii, 1845, 

 611. — GiRAUD, Bii-ds Long Is., 1844, 367. — Hewitson, Brit. Oology, ii, 

 1831-38, pi. 51 and text.— Thompson, Nat. Hist. Ireland, iii, 1851, 394.— 

 Macgillivray, Brit. Birds, v, 1852, 492. — Meyer, Illustr. Brit. Birds, vii, 

 1857, 177, pi. 315.— Chapman, Trav. South Africa, ii, 1868, 425 (Walvisch 

 Bay).— Gray (R.), Birds West Scotl., 1871, 496. 



Lestris richardsoni Bonaparte, Geog. and Comp. List, 1838, 63. 



Cataractes richardsonii Macgillivray, Man. Brit. Orn., pt. ii, 1842, 492. 



Stercorarius richardsoni Coues, Proc. Ac. Nat. Sci. Phila., 1863, 135 (monogr.).— 

 Seebohm, Hist. Brit. Birds, iii, 1885, 353; Ibis, 1888, 349 (Great Liakoff 

 Island, Siberia). 



Lestris spinicauda Hardy, Rev. et Mag. de Zool., vi, Dec, 1854, 657 ("Ocean 

 meridional"). — ^Verreaux, Voy. Vinson Madagasc, Annexe B, 1864, 4. 



L[estris] spinicauda Bonaparte, Consp. Av., ii, 1857, 210 (African side of Atlantic; 

 St. Helena). 



[Lestris] spinicaudus Bonaparte, Compt. Rend., xlii, 1856,- 770. 



Stercorarius spinicauda Coues, Proc. Ac. Nat. Sci. Phila., 1863, 136 (monogr.). — 

 La YARD, Birds South Africa, 1867, 366. 



Lestris thuliaca Preyer, Reise n. Island, 1862, 418 (Iceland). 



Stercorarius tephras Malmgren, Journ. fiir Orn., 1865, 390 (Spitzbergen). 



Stercorarius asiaticus Hume, Stray Feath., i, 1873, 269 (Mekran coast); viii, 1879, 

 115.— Butler and Hume, Stray Feath., v, 1877, 294. 



Lestris longicauda (not Stercorarius longicaudus Vieillot, 1819) Finsch, Journ. fiir 

 Orn., 1872, 241; 1874, 203 (New Zealand). 



STERCORARIUS LONGICAUDUS Vieillot. 



LONG-TAILED JAEGER. 



Adults (sexes alike)." — Pileum, loral, and orbital regions, and 

 upper part of nape plain sooty black or dull slate-blackish; rest of 

 head and neck, including hindneck and lower part of nape, straw 

 yellow, paler on chin and throat; upper parts, except as described, 

 plain deep brownish gray (hghter on back, where still paler anteri- 

 orly), the remiges and rectrices darker, becoming nearly black tormi- 



a Apparently this species has no dusky phase, like that of S. parasiticus. 



