140 LAEIIt^. 



Penrose, Ibis, 1879, p. 280 (Ascension 1., breeding) ; Sharpe, P. Z. S. 

 1879, p. 354 (Labuan); id. Phil. Trans, clxviii. pp. 467, 468 

 (1879) ; Moseley,lSat. on the ' Challeinier ^ p. 68 (1879: St. Paul'-s 

 Kocks) ; Saunders, Pep. H.M.S. ' Challenger; Birds, ii. p. 137 

 (1880) ; Finsch, J.f. O. 1880, p. 308 (Kushai) ; id. P. Z. S. 1880, 

 p. 577 (Caroline Is.) ; id. Pns, 1880, pp. 220, 332 (Marshall Is.) ; 

 id. op. cit. 1881, p. 109 (Kushai Id.) ; id. t. c. pp. 113, 115 (Ponape 

 Id.) ; id. t. c. p. 431 (not in Gilbert Is.) ; Salvad. Ann. Mus. Civ. 

 Gen. xviii. p. 409 (1882): id. Orn. Papnasia, iii. p. 456 (1882) ; 

 Tristram, Ibis. 1883, p. 48 (Planning I.; breeding) ; Finsch, Tog. 

 /S'Mc?«ee, p. 52 (1)?84 : Mar.shall & Caroline Is. ; breeds); J.Murray, 

 Narr. ' Challenger,' i. p. 204 (St. Paul's Piocks) aad p. 738 (1886) ; 

 Crotcfoot, Ibis, 1885 (Norfolk I. ; breeding) ; MacFarlane, Ibis, 

 1887, p. 214 (Yostok I. ; breeding) ; Pamsay, Tab. List Aiisfr. P. 

 p. 23 & p. 38 (1888) ; Everett, P. Borneo, p. 211 (1889) ; North, 

 Nests Sf- Eggs Austr. B. p. 376. pi. xxi. fig. 5 (1889 : Lord Howe 

 & Philip Is.); Wiglesw. Ahh. tool. Mm. Dresd. 1890-91, no. vi. 

 p. 77 (1889 : Polynesia) ; Pidley ^- Sharpe, Joiirn. Linn. Soc. xx. 

 p. 480 (1890: Fernando Isoronha) ; Hartert, Kat. Vogelsamml. 

 Sencl-enb. p. 238 (1891 : Caroline Is.). 

 Anous tenuirostris, Blyth, J. A. S. Peng. xvi. p. 373 (1847) ; id. Cat. 

 B. Mus. As. Soc. 1849, p. 293 ; Hartl. J. f. 0. 1854, p. 170 & p. 307 ; 

 Hartl. Orn. W.-Afr. p. 256 (1857 : Gambia) ; Jerd. B. India, iii. 

 p. 846 (1864 : Bay of Bengal) ; Salvin, Ibis, 1864, p. 383 (Brit. 

 Honduras) ; Coues, t. c. p. 393 ; B/yth, Ibis. I8(i5, p. 40 (Bay of 

 Bengal) ; Salvin, op. cit. 1866, p. 200; Bluth, op. cit. 1867, p. 178; 

 Beavan, t. c. p. 334 : id. op. cit. 18<:8, p. 405 ; Scl. ^- Salv. P. Z. S. 



1871, p. 566 (revision) : Ball, Str. F. i. p. 90 (1873 : Andamans) ; 

 Coues, B. N.- West, p. 710, note (1874) : Fijisch ^- Hartl. P. Z. S. 



1872, p. 113 (Pelpw Is.) ; Finsch, Journ. Mus. Godeffr. 1875, 

 Hft. viii. p. 42 (Pelew Is.) ; Scl. 8f Salv. No7ne7icl. Av. Neotrojj. 

 p. 147 (1873). 



Wegalopterus tenuirostris, Peale [nee Temm., nee Boie), U.S. E.vpl. 



Erped., Birds, p. 284 (1848 : Paumotu Is.) ; Hartl. Wiegm. Arch. 



1852, p. 127. 

 Anous leucocephalus, Peichetib. Vog. Neulioll. ii. p. 13 (1850); id. 



Natat. tab. cclxxiii. figs. 2272-73 (1850) ; Raynsay, Pr. Linn. Sue. 



N. S. W. 1877, p. 77 (Fiji Is.). 

 Sterna leucocapilla, Schleg. Mus. Pays-Bas, Sternie, p. 37 (1863: 



Indian seas). 

 Anous senex, Hume {nee Leach), Str. F. 1874, p. 321 (Andaman Is.). 

 Anous atrofuscus, Stone, Pr. Philad. Acad. 1894, p. 117 (New 



Guinea and Monte Video !). 



Adult mnje in hreedinci-plmnage. Similar to the preceding species, 

 but the forehead and crown whiter and the rest of the body very much 

 darker ; the lores jet-black ; the cheeks deep lead-colour to sooty 

 black ; upper and under parts nearly black : bill black ; tarsi and 

 toes dark brown. Total length 13 inches, culmen 2 to 2-1, wing 8*9 

 to 9-1, tail 4'8 to 5, tarsus 0-9, middle toe with claw 1*4. 



The sexes seem to be alike in plumage, examples marked 2 

 being quite as black as those marked S • 



Birds which are not quite mature have a somewhat sooty tinge in 

 their plumage, with less plnmbeous-grej' about the neck. In a state 

 intermediate between this and the next stage they were described as 

 A. lencocapilh's by Gould, whose name is the first available. 



