532 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
[Pelodes] indica Hzinz and Reicuznow, Nom. Mus. Hein. Orn., 1890, 356. 
Sterna leucoptera [lapsus for S. leucopareia] Lesson, Traité d’Orn., 1831, 622 
(Cape Good Hope).—Bucx.y, Ibis, 1874, 391 (Transvaal). 
Sterna similis Gray, in Hardw. Illustr. Ind. Zool., i, 1832, pl. 70, fig. 2 (Cawnpore, 
India; type now in coll. Brit. Mus.).—Retcuznsacu, Natatores, Novit., 
viii, 1850, pl. 271, fig. 2261. 
Hydrocecropis similis Born, Isis, 1844, 179. 
H{ydrochelidon] similis Gray, Gen. Birds, iii, 1846, 660. 
Hydrochelidon fluviatilis Goutp, Proc. Zool. Soc. Lond., 1842 (published Feb., 
1843), 140 (interior of New South Wales, coll. J. Gould); Birds Australia, 
vii, 1848, pl. 31 and text.—Srurr, Exped. Centr. Austral., ii, 1849, App., 
p. 58.—RzicHensacu, Vég. Neuholl., 1850, 347.—Pxzizein, Reis. ‘ Novara’, 
Vég., 1865, 155.—Ramsay, Proc. Zool. Soc. Lond., 1877, 348 (Richmond, 
Fitzroy, and Mary rivers and Rockingham Bay, Queensland). 
H{ydrochelidon] fluviatilis Gray, Gen. Birds, iii, 1846, 660. 
| Hydrochelidon] fluviatilis Gray, Hand-list, iii, 1871, 122, no. 11075. 
Hydrochelidon leucopareia fluviatilis Matuews, Birds Australia, ii, pt. 3, Sept. 20, 
1912, 321 (e. and s. Australia). 
Hydrocecropis leucogenys Bors, Isis, 1844, 179. 
Hydrochelidon leucogenys BreuM, Naumannia, 1855, 295; Vogelf., 1855, 350. 
Hydrochelidon marginata BuytTH, Tonen, Asiat. Soc. Bengal, xv, 1846, 376 (Hoogly, 
India). 
Hydrochelidon meridionalis Bream, Vogelf., 1855, 351. 
HAydrochelidon nilotica Bream, Nauman, 1855, 295; Vogelf., 1855, 351. 
[Hydrochelidon] delalandit Bonaparte, Compt. Rend., xlii, 1856,.773 (‘‘lewcopareia 
ex Cap. B. Spei, Mus. Par.’’).—Gray, ‘Hand-list, ili, 1871, 122, no. 11076. 
Hydrochelidon leucopareia delalandii Maruews, Birds Australia, ii, pt. 3, Sept. 20, 
1912, 321 (s. Africa). 
Sterna innotata BEavaNn, Ibis, 1868, 404 (Thatong Creek, India). 
[Sterna] innotata Gray, "Hand-list, ili, 1871, 119, no. 11048. 
Sterna melanogastra (not S. melanogaster Peruniils 1827) SatvaporI, Ucc. Bor- 
neo, 1874, 377.—St. Joun, Ibis. 1889, 180 (Quetta).—Vorperman, Nat. 
Tijdschr. Nederl. Ind., xliv, 1884, 207 (Tuva; xlix, 1889, 420 (Sumatra). 
Sterna macroura (not 8. macrura Naumann, 1819) SInTENIs, Journ. fiir.Orn., 1877, 
68 (Dobrudscha, breeding). 
Hydrochelidon nigra (not Sterna nigra Linneus) Bioputra, this, 1881, 102 (Gilgit, 
India; see Scully, Ibis, 1881, 594). 
Hydrochelidon leucopareia leggei Maraews, Birds Australia, ii, pt. 3, Sept. 20, 
1912, 321 (Ceylon). 
Hydrochelidon leucopareia rogersi MatHEws, Birds Australia, ii, pt. 3, Sept. 20, 
1912, 321, 323 (n. and n. w. Australia). 
Hijd@ochaligion leucopareia swinhoei Maturws, Birds Australia, ii, pt. 3, Sept. 20, 
1912, 321 (China). 
HYDROCHELIDON NIGRA SURINAMENSIS (Gmelin). 
BLACK TERN. 
Similar to H. n. nigra,* but under parts much darker (black or 
grayish black, instead of gray). 
Adults in summer (sexes alike).—Head, neck, and under parts, 
except under tail-coverts and anal region, uniform sooty black or 
@ See p. 527. 
