LARID/E. 
141 
Sternula nereis exsul Math. 
Sternula nereis exsul Mathews, Birds Austr. vol. ii. p. 385, Nov. 1st, 
1912: New Caledonia. 
Distr .—New Caledonia. 
Genus GYGISTERNA Mathews. 
Gyffisterna Mathews, Birds Austr. vol. ii. p. 305, Nov. 1st, 1912. Type 
(by original designation): Sterna sumatrana kctnpi Mathews. 
Gygisterna sumatrana (Radies). 
Distr . —Aldabra, East Africa to Australia and Fiji Islands. 
Gygisterna sumatrana sumatrana (Raffles). (25-126.) 
Sterna sumatrana Rattles, Trans. Linn. Soc. Lond. vol. xiii. pt. 2, 
p. 329, 1822: Sumatra. (Fig. Gould, Austr. vii. pi. 28; Math, 
pi. 110.) 
Sterna sumatrana kempi Mathews, Nov. Zool. vol. xviii. p. 210, Jan. 31st, 1912 : 
Torres Straits, Queensland. 
Distr . —Northern Australia. Riu Kin Islands. Philippines 
to Celebes, New Guinea, and islands north. 
Gygisterna sumatrana decorata (Hartl.). 
Gygis decorata Hartlaub, Ibis, 18(50, p. 232: Fiji Islands. 
Distr. — Fiji Islands. 
Genus ONYCHOPRION Wagl. 
Onychoprion Wagler, Isis, March 1832, col. 277. Type (by mono- 
typy): Sterna serrata = S.fuscata Linne. 
Planetis Wagler, Isis, 1832, heft. 11, col. 1222, Nov. Type (by monotypy): 
S. guttata ex Forster MS .—S.fuscata Linne. 
Haliplana Wagler, Isis, 1832, heft 11, col. 1221, Nov. Type (by monotypy) : 
Sterna fuliginosa G m elin = S. f u scat a Linne. 
ThalasHpora Rupp ell, Syst. Uebers. Vogel Nord-ost Afrika,p. 140,1815. Type 
(by monotypy) : 8. infuscata Lichtenstein = . S.fuscata Limn*. 
Dipsuleon Gistel, Natrrrg. Thier. Sehul. p. x, 1848 (pref. Easter 1847): new 
name for Planet is Wagler. 
Onychoprion fuscatus Linne. 
Distr. — West Indies to Australia, New Guinea, and Pacific 
Islands. 
[Onychoprion fuscatus fuscatus (Linn<$). (25-106.) 
Sterna fuscata Linne, Syst. Nat. 12th ed. p. 228 (pref. May 24th), 
17(5(5 : Santo Domingo, West Indies. (Fig. Dresser, viii. pi. 587.) 
Distr. — West Indies. Extra-1 imital.] 
