1. DIOMEnEA. 447 



tail whitisli ; under wing-covcrts blackish brown and white, irre- 

 gularly mingled. " Bill grey, darker at the base, tip blackish 

 brown, base of the mandible pale yellow ; iris brown ; legs and feet 

 fleshy-pink (//. Palmer)" Total length about 32 inches, wing 18*5, 

 tail 5'8, bill from gape 4*6, tarsus 3-3, middle toe 4, outer toe 3"1J, 

 inner toe 3'5. {Mus. Rothschild.) 



Young. Similar to the adult. 



NestUiui. Covered with brown down. 



Hah. Laysan and some of the neighbouring islands. 



a. Ad. sk. Laysan Island {Palmer). Hon. W. Rothschild [P.]. 



(A typical specimen.) 



8. Diomedea melanophrys. 



Dioniedea melanophrys, Boie in Temni. PI. Col. 456 (1828) ; Schinz, 

 Naturg. Vog. p. 395, pi. 13o (1832) ; Gray, List Anseres Brit. Mus. 

 p. 16G (1844) ; id. Gen. Birds, iii. p. 050 (1844) ; id. Hand-l. iii. 

 p. 109 (1871) ; Goidd, Birds Austr. vii. pi. 43 (1844j ; id. Handb. 

 Birds Austr. ii. p. 438 (1865) ; Reich. Av. Syst. Nat., Natatores, 

 pi. 26. fig. 346, pi. 28. figs. 797-8 (1850) ; Bp. Consp. Av. ii. p. 185 

 (1855) ; id. Compt. Bend. xlii. p. 768 (1856) ; Grill, Zool. Ayiteckn. 

 pp. 11, 57 (1858); Abbott, Ibis, 1861, p. 165; Layard, Ibis, 1862, 

 p. 97, 1863, pp. 245, 247, 1876, p. 393 ; id. Birds S. Afr. p. 364 

 (1867) ; Schl. Mus. P.-B., vi. Procell. p. 33 (1863) ; I{utto?i, Ibis, 

 1865, p. 283, 1867, p. 185, 1872, p. 248, 1874, p. 41 ; Coucs, Pr. 

 Ac. Phil. 1866, pp. 181, 188 ; Peh. Beise Novara, Zool. i. T oV/. 

 p. 148 (1869); Newton, Ibis, 1870, p. 503; Finsch, J.f. Orn. 1870, 

 p. 375 ; id. op. cit. 1874, p. 206 ; Hutton, Cat. Birds N. Zeal. p. 44 

 (1871); Gurney in Anderss. Birds Damnra-L. p. 356 (1872); 

 Sperling, Ibis, 1872, p. 75 ; Buller, Ibis, 1874, p. 119 ; id. Birds N. 

 Zeal. p. 292 (1873) ; id. ed. 2, ii. p. 198 (1888) ; id. Tr. N. Zeal. 

 Inst, xxvii. p. 121 (1895) ; Scl. ^- Salv. Nomencl. Av. Neotr. p. 148 

 (1873) ; Salv. P. Z. S. 1878, p. 740 ; id. op. cit. 1883, p. 430 ; id. 

 Voy. 'Chali:, Zool. ii. pt. viii. p. 148 (1881) ; id. Cat. Strickl. Coll. 

 p. 632 (1882) ; id. Ibis, ]895, p. 273 ; Shar2x, Phil. Trans, clxviii. 

 p. 146 (1879) ; id. P. Z. S. 1881, p. 12 ; id. ed. Layard's Birds S. Afr. 

 p. 772 (1884); Moseley, Notes Nat. 'ChalV p. 254 (1879); Milne- 

 Bdw. if Grand. Hist. Madag., Ois. p. 669 (1881) ; Baird, Brew., Sf 

 Ridgiv. Water-Birds N. Am. ii. p. 357 (1884) ; Hamilton, Tr. N. 

 Zeal. Inst. p. 128 (1886) ; Ridyw. Man. N. Am. Birds, p. 52 (1887) ; 

 Lucas, At(k, iv. p. 3 (1887) ; Evans, Ibis, 1891, p. 82 ; Cheeseman, 

 Tr. N. Zeal. Inst, xxiii. p. 224 (1891); Chapm. Auk, v. p. 394 

 (1892); H. O. Forbes, Ibis, 1893, p. 541; G. E. Verrill, Tr, 

 Connect. Ac. ix. p. 441 (1893) ; Harvie-Brown, Zool. 1894, p. 337 ; 

 Andersen, T'idensk. Medd. Nat. For. Kjobenh. 1894, p. 241. 



Diomedea gilliana, Coues, Proc. Ac. Phil. 1866, pp. 181, 188; Ridgw. 

 Man. N. A7n. Birds, p. 52 (1887). 



Thalassarche melanoplirys, Giyl. Faun. Vert. Oceano, p. 57 (1870) ; 

 id. Viagg. 'Magenta^ (see index) (1875). 



Adult, White, a short slaty-black band on either side of the eye ; 

 tack and wings brownish black ; the interscapular region cinereous, 

 shading into white at the base of the neck ; tail slate-grey, the 

 shafts of the rectriccs white ; under wing-coverts white, with a 

 wide greyish-black border along the edges of the wing : bill 

 yellowish horn-colour, the tip darker ; legs and feet yellow. Total 



