LARIDJC. 
143 
Leucanous albus candidus (Gm.). 
Sterna Candida Gmelin, Syst. Nat. vol. i. pt. ii. p. G07, 1789: Christmas 
Island. 
Distr .— Christmas Island and Hawaiian Group. 
Leucanous albus kittlitzi (Hart.). 
Gygis alba kittlitzi Hartert, Katal. VOgelMus. Senck. p. 237, 1891: 
Caroline Islands. 
Distr. —Caroline and Marianne Islands. 
Leucanous albus pacificus (Lesson). 
Sterna paci/ica Lesson, Ann. Sci. Nat. vol. vi. p. 101, 1825 : Society 
Islands (Tuamotu Group and Borabora). 
Distr. —Society and Tuamotu Islands. 
Leucanous microrhynchus Saunders. (25-152.) 
Gygis microrhynclia Saunders, Proc. Zool. Soc. Lond. 187G, p. GG8 
and figure: Marquesas Group. 
Distr. —Marquesas (found only on Nukukiva). 
Genus MELANOSTERNA Blyth. 
Melanosterna Blyth, Journ. As. Soc. Bengal, vol. xv. p. 873, 184G 
( = 1847 ?'). Type (by monotypy) : Sterna ancethetus Scopoli. 
Melanosterna ansethetus (Scopoli). 
Distr. —Indian and Pacific Oceans. 
Melanosterna anaethetus ansethetus (Scopoli). (25-101.) 
Sterna ancethetus Scopoli, Del. Flor. Faunae Insub. pt. ii. p. 92, 178G: 
Philippine Islands. 
Distr. —Philippine Islands to Celebes. Extra-lirnital.] 
Melanosterna anaethetus novaehollandiae (Stephens). 
Sterna novcehollandice Stephens, in Shaw’s Gen. Zool. vol. xiii. p. 1G1, 
Feb. 18th, 182G: New South Wales. (Fig. Gould, Austr. vii. 
pi. 33.) 
Distr .—East Australia, Fiji. 
Melanosterna ansethetus rogersi Mathews. 
Melanosterna ancethetus rogersi Mathews, Austral Av. Rec. vol. ii. 
p. 12G, Jan. 28th, 1915: Admiralty Gulf, North-West Australia. 
(Fig. Math. pi. 114.) 
Distr. — North Australian Seas to New Guinea and Moluccas. 
