IOLE. 505 



a 2 . Under and upper parts neither yellow nor tinged with yellow; general color 

 brown or gray. 



6 1 . Chin and throat reddish brown or gray, narrowly streaked with white or 



without streaks; smaller, culmen from base usually less than 28 mm. 



c 1 . No white shaft-lines on chin and throat rufigularis (p. 507) 



c 2 . White shaft-lines present on chin and throat. 



d 1 . Chin and throat rufous-brown ; shaft-lines wider. 



e 1 . Smaller; chin and throat slightly darker gularis (p. 507) 



e 2 . Larger; chhi and throat slightly paler guimarasensis (p. 508) 



d 2 . Chin and throat pale rufescent brown; shaft-lines much narrower -and 

 less conspicuous mindorensis (p. 509) 



6 2 . Chin and throat gray with wide streaks of white, or chin nearly all white; 



larger, culmen from base usually more than 30 mm. 

 c 1 . Top of head uniform seal-brown without lighter margins to the feathers; 



wing of male, about 135 mm siquijorensis (p. 510) 



c 2 . Top of head lighter brown or dull olive-brown; feathers on forehead tipped 



with slate-gray; wing shorter. 

 d 1 . Top of head lighter; feathers on nape tipped with ashy or slate-gray; 



wing, about 125 mm.; tail, 115 cinereiceps (p. 511) 



d 2 . Top of head darker; feathers on nape with no gray tips; wing, about 

 120mm.; tail, 105 monticola (p. 511) 



478. IOLE STRIATICEPS Sharpe. 

 PALAWAN BTJLBUL, 



lole striaticeps SHABPE, Ibis (1888), 200; Hand-List (1901), 3, 313; Mc- 



GREGOE and WOBCESTEB, Hand-List (1906), 79. 

 Palawan ( Whitehead ) . 



"Adult female. General color above olive-brown, with narrow whitish 

 shaft-streaks to the feathers of the mantle and back; the lower back and 

 rump uniform, the feathers of the latter very loose and fluffy and with 

 pale tips; lesser wing-coverts brown, with a wash of olive; alula and 

 primary-coverts dusky brown, with a reddish tinge and washed with 

 olive externally; quills dark brown, externally pale olive-brown, rather 

 more rufous toward the base of the secondaries; upper tail-coverts and 

 tail-feathers light reddish brown with a slight edging of olive; crown of 

 head brown, slightly contrasting with the back, all the feathers with 

 narrow ashy white shaft-streaks; lores white, with a yellowish tinge; 

 feathers below the eye and ear-coverts light brown, washed with yellow 

 and having narrow whitish shaft-streaks; cheeks and under surface of 

 body ashy white, with a strong tinge of yellow, the breast, abdomen, and 

 under tail-coverts clearer yellow; sides of body and flanks washed with 

 olive-brown; thighs pale yellow; under wing-coverts and axillars pale 

 yellow; quills below dusky brown, yellowish along the edge of the inner 

 web. Length, 168; culmen, 18; wing, 81; tail, 70; tarsus, 19." 

 (Sharpe.) 



