ZOSTERORNIS. 529 
507. ZOSTERORNIS DENNISTOUNI Grant. 
YELLOW TREE BABBLER, 
Zosterorms dennistount GRANT, Bull. Brit. Orn. Club (1895), 5, 2; Ibis 
(1896), 118, pl. 3, fig. 2; (1897), 234 (key to species) ; WHITEHEAD, 
Ibis (1899), 223, (habits); SuHarpre, Hand-List (1903), 4, 51; Mc- 
GrEcor and Worcester, Hand-List (1906), 82. 
Luzon (Whitehead). 
“Adult male and fenale.——Forehead and crown shining golden yellow, 
shading into yellowish gray on the back and sides of the head and neck, 
and greenish gray on the back and rest of the upper parts, all the feathers 
with narrow whitish shaft-stripes ; wings dark brown, the quills margined 
with yellowish brown; chin and throat golden yellow, but paler than the 
crown, and shading into whitish yellow on the breast and rest of under 
parts ; sides and flanks washed with greenish gray; tail-feathers brownish 
black, margined on the outer webs with yellowish brown, the five outer 
pairs tipped with white, the tips increasing in width towards the outer 
pair, which has also the greater part of the outer web white. 
“Immature birds resemble the adult, but the golden yellow forehead 
is represented by yellowish brown feathers with pale middles, the quills 
are edged with rufous, and the under parts are white slightly tinged with 
yellow.” (Grant.) 
Grant’s measurements of the types, converted to millimeters, are: Male, 
_ length, 140; wing, 68; tail, 61; culmen, 18; tarsus, 19; female, length, 
135; wing, 66; tail, 56; culmen, 18; tarsus, 19. 
The yellow tree babbler is resident in the vicinity of Cape Engaio, 
northern Luzon. 
508. ZOSTERORNIS PYGMAEZUS Grant. 
PYGMY TREE BABBLER, 
Mizornis platen’ BouRNS and WoRrcESTER, Minnesota Acad. Nat. Sci. Occ. 
Papers (1894), 1, 58, (not of Blasius). 
Zosterornis pygmeus GRANT, Bull. Brit. Orn. Club (1896), 6, 18; Ibis 
(1897), 233, pl. 6, fig. 1; WHITEHEAD, Ibis, (1899), 223 (habits). 
Zosterornis pygmea SHARPE, Hand-List (1903), 4, 51; McGrecor and Wor- 
CESTER, Hand-List (1906), 82. 
Leyte (Whitehead) ; Samar (Bourns & Worcester, Whitehead). 
“Adult male and female.—General color above brownish olive, brownest 
on the crown, each feather of which has a narrow whitish shaft-stripe ; 
lores whitish; feathers above and below the eye blackish with white 
shafts; chin whitish; throat, fore neck, and chest gray with white mid- 
dles to the feathers, most marked on the throat; breast and belly white, 
shading into grayish on the sides, flanks, and under tail-coverts. ‘Iris 
bicolored, outer ring red, inner pale yellow; bill slate-blue, black at tip; 
