602 MANUAL OF PHILIPPINE BIRDS. 



588. HYLOTERPE ALBIVENTRIS Grant. 



HIGHLAND THICKHEAD. 



Eyloterpe albiventris Grant, Bull. Brit. Orn. Club (June 30, 1894), 3, 

 49; Ibis (1894), 511; Whitehead, Ibis (1899), 225 (habits) ; Shabpe, 

 Hand-List (1903), 4, 313; McGregor and Worcester, Hand-List 

 (1906), 93. 



Eyloterpe mindorensis BouRxs and Worcester, Minnesota Acad. Nat. Sci. 

 Occ. Papers (December 8, 1894), 1, 22; McGregor and Worcester, 

 Hand-List (1906), 93. 



Luzon (Whitehead, McGregor, Bartsch) ; Mindoro {Whitehead, Bourns d Wor- 

 cester, McGregor). 



Adult. — Above dull olive-green, brighter on the rump, wings, and tail; 

 sides of head and ear-coverts slightly washed with olive; chin, throat, 

 and chest hair-brown streaked with white and slightly washed with 

 olive; abdomen white faintly washed with yellow; sides and flanks more 

 duslcy; crissum pale lemon-yellow; axillars and wing-lining white faintly 

 washed with yellow. Length, about 165. Male, wing, 82; tail, 70; 

 culmen from base, 15; bill from nostril, 10; tarsus, 22. Female, wing, 

 79; tail, 6Q; culmen from base, 16; bill from nostril, 9.5; tarsus, 22. 



Young. — A very young bird taken in April resembles the young of 

 H. illex. Above dark walnut-brown; below vinaceous-cinnamon ; three 

 or four outer primaries edged with pale gray; the inner primaries edged 

 with olive-green, some of them washed with reddish brown. 



"Very rare in Mindoro. But a single female specimen obtained. It 

 measures 165 in length; wing, 78; tail, 66; culmen, 17.8; tarsus, 21; 

 middle toe with claw. 19." (Bourns and Worcester MS.) 



589. HYLOTERPE WHITEHEADI Sharpe. 



PALAWAN THICKHEAD. 



Eyloterpe ivhiteheadi Sharpe, Ibis (1888), 311; Hand-List (1903), 4, 313; 



McGregor and Worcester, Hand-List (1906), 93. 

 Eyloterpe plateni Blasius, Ornis (1888), 311. 



Palawan {Whitehead, Platen, Bourns c£- Worcester, Everett, Celestino, White). 



Adult. — Upper parts hair-brown; edges of wing-feathers and of rec- 

 trices slightly more ashy brown; auriculars and sides of neck hair-brown; 

 throat white with faint drab-gray streaks; chest drab-gray; remainder 

 of under parts white. Male, wing, 79 ; tail, 62 ; culmen from base, 17 ; 

 bill from nostril, 10; tarsus, 19. Female, wing, 78; tail, 65 culmen 

 from base, 16; bill from nostril, 10; tarsus, 18. 



"Quite rare in the localities collected in by us. A male measures, 

 length, 149; wing, 80.5; tail, 60; culmen, 17.5; tarsus, 18.8; middle toe 

 with claw, 16. A female, length, 159; wing, 82; tail, 62.7; tarsus, 

 18.5; middle toe with claw, 17.5; culmen, 22. Iris dark brown; legs, 

 feet, and nails light slate; bill black." (Bourns and Worcester MS.) 



