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) ; SHARPE, 

 Hand-List (1903), 4, 313; MCGREGOR and WORCESTER, Hand-List 

 (1906), 93. 



Eyloterpe mindorensis BOURNS 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 ; 

 Bides 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 

 dusky ; 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, 66; 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 reddisfy 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 whiteheadi SHARPE, Ibis (1888), 311; Hand-List (1903), 4, 313; 



MCGREGOR and WORCESTER, Hand-List (1906), 93. 

 Eyloterpe plateni BLASIUS, Ornis (1888), 311. 



Palawan ( Whit ehead, Platen, Bourns d Worcester, Everett, Celestino, White). 



Adult. Upper parts hair-brown; edge^ 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.) 



