TACHYBAPTUS. 83 
73. TACHYBAPTUS PHILIPPENSIS (Bonnaterre). 
PHILIPPINE GREBE. 
Colymbus philippensis BONNATERRE, Tabl. Encyecl. Meth. (1790), 1, 58, pl. 
46, fig. 3. 
Podicipes philippensis GRANT, Cat. Birds Brit. Mus. (1898), 26, 511. 
Podicipes philippinensis SHARPE, Hand-List (1899), 1, 113; OaTEs, Cat. 
Birds’ Eggs (1901), 1, 133; McGrecor and WorcesTER, Hand-List 
(1906), 19. 
Su-li-a’-sit, Manila; ga-mao’, Bohol. 
Bohol (McGregor); Calayan (McGregor); Guimaras (Steere Exp.); Luzon 
(Jagor, Heriot, Steere Exp., Bourns & Worcester, Whitehead, McGregor, Stafford) ; 
Mindanao (Mearns) ;,Panay (Clarke).* Borneo, southern China, Burmese proy- 
inces, Formosa, Hainan. 
Adult in breeding plumage.—Above dark, glossy seal-brown; chin, 
fore throat, and cheeks blackish; throat, sides of neck, and ear-coverts 
chestnut; breast and abdomen silvery white, mixed with a little blackish 
brown and gradually shading into blackish brown on fore breast, sides, 
flanks, and lower belly ; thighs blackish mixed with a little light chestnut ; 
wings black; under wing-coverts, axillars, and tips of short secondaries 
white. “Iris straw-yellow; bill black, whitish at the tip; naked skin at 
base of bill and between rami of the mandible pale greenish yellow; legs 
blackish gray, with a slight tinge of green.” (Swinhoe.) A male from 
Calayan, November 15, 1903, measures: Length, 280; wing, 107; culmen 
broken; tarsus, 33; middle toe with claw, 48. 
The following data are from a female taken at Jala Jala, Laguna de 
Bay, Luzon, January 5, 1902. Feet bluish black; angle of mouth and 
base of lower mandible clear, pale pea-green ; bill black with a light spot 
at tip. Wing, 100; exposed culmen, 23; tarsus, 33; middle toe with claw, 
49. A female from Sevilla, Bohol, March 24, 1906, measures: Length, 
254; wing, 102; exposed culmen, 23; tarsus, 33; middle toe with claw, 49. 
The non-breeding bird has the chin and throat white and the chestnut 
reduced in extent and lighter in shade. 
Young.—A half-grown downy young was obtained at Laguna de Bay, 
August 24, 1904. Above seal-brown with white tips to much of the 
down; middle of crown mottled with chestnut; a white line over eye; 
two diagonal white lines on each side of occiput, the anterior line con- 
tinued along side of neck; chin, throat, and face mottled with white, 
black, and dark gray; fore breast, sides, and lower belly gray; middle 
of breast and belly white. Bill pale yellow mottled with blackish brown, 
tip gray; legs black. Length, 203. 
* Mr. W. Eagle Clarke informs me that he has received a specimen of the Philip- 
pine grebe from Panay. 
