LARIDiE. 
137 
Thalasseus bergii (Licht.). 
Distr .—South Africa to Celebes and Australia. 
[Thalasseus bergii bergii (Licht.). (25-89.) 
Sterna bergii Lichtenstein, Verzeichn. doubl. Zool. Mus. Berlin p. 80 
(pref. Sept.), 1823: Cape of Good Hope. 
Distr .—South Africa and Madagascar. Extra-limital.] 
Thalasseus bergii pelecanoides (King). 
Sterna pelecanoides King, Survey Intertrop. Coasts Austr. vol ii 
p. 422, “ 1827 ” = April 26tli, 1826: Torres Strait. 
Distr . —Northern Australia to Celebes. 
Thalasseus bergii poliocercus (Gould). 
Sterna poliocerca Gould, Synops. Birds Austr. pt. ii. pi. (37), April 1st, 
1837: Tasmania. (Fig. Gould, Austr. vii. pis. 23-24: Math’ 
pi. 106.) 
Sterna novoehollandim Pucheran, Rev. Mag. ot Zool., Oct. 1850, p. 545 (Nov.) : 
Tasmania. Not Stephens, in Shaw’s Gen. Zool. vol. xiii. p. 161, 1826. 
Felecanopus nigripennis Bonaparte, Compt. Rend. Acad. Sci. Paris, vol. xlii. 
p. 772. May 1856: new name for novmhollandiss . 
Distr .—South-East Australia. 
Thalasseus bergii gwendolenae Mathews. 
Thalasseus bergii gwendolenae Mathews, Nov. Zool. vol. xviii. p. 208, 
Jan. 31st, 1912 : Perth, South-West Australia. 
Distr .—South-West Australia. 
Thalasseus bergii rectirostris (Peale). 
Sterna rectirostris Peale, U.S. Expl. Exped., Zool. p. 281 (in or 
beforo Oct.), 1848: Fiji Islands. 
Distr. —Kerinadec Islands, New Zealand and Fiji, New 
Caledonia, New Hebrides, Solomon, Marquesas, and Tua- 
niotu Islands. 
Thalasseus bergii cristatus (Steph.). 
Sterna cristata Stephens, in Shaw’s Gen. Zool. vol. xii. p. 146, 1826 : 
China. 
Distr .—China and Riu Kiu Islands to Celebes and Philippines. 
Thalasseus bergii bernsteini (Sclileg.). (25-96.) 
Sterna bernsteini Sehlegel, Mus. Pays-Bas., Sternse, p. 9, 1863: 
Halmahera. 
Distr .—Halmahera, Moluccas. 
Thalasseus bengalensis (Lesson). 
Distr .—Europe, Africa to India and Australia. 
