LARIDiE. 
135 
Chlidonias leucopareia rogersi (Mathews). 
Sydrochclidon leucopareia rogersi Mathews, Nov. Zool. vol. xviii. 
p. 207, Jan. 31st, 1912: Parry’s Creek, North-West Australia. 
(Fig. Math. pi. 103.) 
Distr. — Nor the r n A astral i a. 
Chlidonias albistriata (Gray). (25-48.) 
Hydrochelidon albistriata Gray, Voy. ‘Erebus’ and ‘Terror,’ Birds, 
p. 19, pi. 21, June 1845 : New Zealand. (Fig. Puller, 2nd ed. 
pi. 30, and as above.) 
Distr. — New Zealand. 
Genus GELOCHELIDON Brebm. 
Gelochelidon Brehra, Vogel Deutschl. p. 771 (pref. July), 1831. Type 
(by monotypy) : G. meridionalis Brehm = Sterna nilotica 
Gmelin. 
Laropsia Wagler, Inis, 1832, heft xi. col. 1225, Nov. Type (by monotypy): 
S. anglica Montagu =8. nilotica Gmelin. 
Gelochelidon nilotica (Gmelin). 
Distr . — Europe, Asia, and Africa to Antarctic and Pacific 
Islands. 
[Gelochelidon nilotica nilotica (Gmelin). (25-25.) 
Sterna nilotica Gmelin, Syst. Nat. vol. i. pt. ii. p. GOG, April 20tli, 1789: 
Egypt, North Africa. (Fig. Dresser, viii. pi. 585.) 
Distr. —Europe, Asia, and Africa. Extra-limital.j 
Gelochelidon nilotica macrotarsa (Gould). 
Sterna macrotarsa Gould, Synops. Birds Austr. pt. ii. pi. (37), 
April 1st, 1837: Tasmania. (Fig. Gould, Suppl. pi. 81.) 
Distr. — Southern Australia. 
Gelochelidon nilotica normani Mathews. 
Gelochelidon nilotica normani Mathews, Austral Av. Boc. vol. ii. 
p. 125, Jan. 28th, 1915: Normanton, Queensland. (Fig. Math, 
ii. pi. 104.) 
Gelochelidon nilotica cloateai Mathews, Bull. Brit. Orn. Club, vol. xlv. p. 41, 
Dec. 5th, 1924 t Point Cloates, West Australia. 
Distr. —Northern Australia. 
Gelochelidon nilotica affinis (Horsf.). 
Sterna ajfinis Horstield, Trans. Linn. Soc. Lond. vol. xiii. p. 199, 1821: 
Java. 
Distr. — Java to Celebes. 
