IARID^E,— P0D1CIPIDA. 
Gygis alba monte Math. 
Gygis alba monte Mathews, Birds Austr. ii, 1912, p. 443 : Seychelles. 
Distr . — Sumatra. 
Java. 
Cocos-Keeling Islands. 
Genus LARUS Linn. 
Larus ridibundus Linn. Black-headed or Laughing Gull. 
Lsrui ridibundus ridibundus Linn. 
Larus ridibundus Linn., Syst. Nat. 12th ed. i, 1766 , p. 225 : 
England. 
Distr. — Singapore Straits. 
*Lama brunnicephalus Jerd. Brown-hooded Gull. 
Larus brunnicephalus Jerdon, Madr. Joum, Lit. Sci, xii, 1840, p. 
225 : India. 
Z>£sir. — Peninsular Siam. 
Family PODIGIPID^E. 
Genus PODICEPS Latham. 
Podiceps ruficollU (Pall.), Little Grebe. 
[Podiceps ruficolHs ruficollis (Pall.). 
Cotymbus ruficollis Pallas in Vroeg's Cat. Adumb, 1764, p. 6 : 
' Holland. 
Disir . — Extra-limital . ] 
Podiceps ruficollis philippensis (Bonn.), 
Colymbus Philippensis Bonnaterre, Tabl. Encycl. M6th. i, 1750, 
p. 58 : Philippine Islands. 
Distr . — Peninsular Siam. 
Sumatra. 
Borneo. 
*Podiceps ruficollis vulcanorum (Rensch). 
Podicet js ruficoUis vulcanorum Rensch, Journ. f. Ornith. 1929, 2, 
p. 205 : Lombok. 
Distr. — Java; Bali, 
[50] 
