280 MANUAL OF PHILIPPINE BIRDS. 
240, PRIONITURUS ‘CYANEICEPS Sharpe. 
| ‘BLUE RACKEM@@MILED PARRAKEET. 
Prioniturus cyaneiceps SHARPE, Ibis (1888), 194; Hand-List (1900), 2, 
29; SaALvAporRI, Cat. Birds Brit. Mus. (1891), 20, 419; McGrecor and 
Worcester, Hand-List (1906), 49. 
Balabac (Steere, Everett); Calamianes (Bourns & Worcester, McGregor) ; 
Palawan (Whitehead, Platen, Steere Exp., Bourns & Worcester, Celestino, White). 
Male.—All of head, neck, and under parts bright verditer-blue, a little 
duller below where the feathers are yellowish at base, this when specimen 
is held toward the light, away from the light the blue parts become light 
bluish green; under tail-coverts bright greenish yellow and tipped with 
green; wings, back, and rump grass-green; tail-spatules black, touched 
with green; short rectrices green, deep blue along the shaft, tip black. 
Bill bluish white; legs blackish. A male from Palawan measures: Wing, 
150; tail without rackets, 77; culmen from front margin of cere, 19. 
Female.—Differs from the male in having the blue restricted to top 
and sides of head and in having the lower parts uniform light green with 
traces of blue; under tail-coverts deeper yellow than in the male. 
Young.—“Green, with no verditer-blue shade on the head and neck; 
greater wing-coverts and secondaries edged with yellowish green; under 
parts yellowish green; under tail-coverts yellow, washed with greenish ; 
middle tail-feathers longer than the lateral ones, narrow towards the point 
and entirely webbed.” (Salvadort.) 
“Ten males from Busuanga measure, 238 in length (exclusive of 
rackets, which may attain a length of 60 to 75); wing, 154; tail, 77; 
culmen, 19; tarsus, 14; middle toe with claw, 26. Seven females average, 
233 in length; wing, 150; tail, 76; culmen, 19; tarsus, 15; middle toe 
with claw, 26.” (Bourns and Worcester MS.) 
241. PRIONITURUS LUCONENSIS Steere. 
LUZON RACKET-TAILED PARRAKEET. 
Prioniturus luconensis STEERE, List Birds and Mams. Steere Exped. (1890), 
6; Satvapori, Cat. Birds Brit. Mus. (1891), 20, 420; McGrecor and 
WoRCESTER, Hand-List (1906), 49. 
Prioniturus lugonensis SHARPE, Hand-List (1900), 2, 29. 
Luzon (Steere Exp., Whitehead, McGregor) ; Marinduque (Steere Exp.). 
Male.—General color bright yellow-green, very slightly darker on back 
and rump; alula, primaries, and coverts dark green; short rectrices green 
above, with wide dark tips; spatules black and dark blue. Iris dark 
brown ; bill and feet light blue; nails horn-blue. Sexes alike? Length, 
with rackets, about 305; two males from Mariveles, Bataan -Province, 
measure, wing, 140 to 148; tail without rackets, 67 to 73; culmen from 
cere, 17 to 18; tarsus, 13 to 14. 
“Immature.—Differs from the adult in having the middle tail-feathers 
