TACHYBAPTUS. 83 



73. TACHYBAPTUS PHILIPPENSIS (Bonnaterre) . 

 PHILIPPINE GREBE. 



Coli/mbus 'phili'ppensis Bonnaterre, Tabl. Encycl. Metli. (1790), 1, 58, pi. 



46, fig. 3. 

 Podicipes philippensis Geant, Cat. Birds Brit. Mus. (1898), 26, 511. 

 Podicipes philippinensis Shaepe, Hand-List (1899), 1, 113; Gates, Cat. 



Birds' Eggs (1901), 1, 133; McGeegoe and Worcestee, 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 prov- 

 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, sideSj 

 flanks, and lower belly ; tliighs 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, -18. 



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 cliestnut; a white line over eye; 

 two diagonal white lines on each side of occiput, the anterior line con- 

 tinued along side of neck; chin, tliroat, 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 l)hickisli 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. 



