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MANUAL OF PHILIPPINE BIRDS. 
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235. PRIONITURUS’ VERTICALIS Sharpe. 
EVERETT’S ao PARRAKEET. 
Prioniturus verticalis SHARPE, Bull. Brit. Orn. Club (1893), 3, 10; Ibis 
(1894), 248, pl. 6; Hand-List (1900), 2, 29; McGreGor and WorcESTER, 
Hand-List (1906), 48. 
Bongao (Hverett); Sibutu (Everett); Tawi Tawi (Hverett, Bourns & 
Worcester). 
Male.—Crown light blue with a small scarlet patch in the center; 
forehead, nape, and sides of head grass-green; neck and sides of neck 
yellowish green; remainder of upper parts, including exposed edges of 
wing- and tail-feathers, dark grass-green; lower parts greenish yellow, 
breast clearer yellow, abdomen, flanks, and crissum more greenish. A 
male from Tawi Tawi measures: Wing, 180; tail with rackets, 150; 
culmen from front margin of cere, 21. 
Female.—“Differs from the male in being emerald-green all over, and 
wanting the verditer-blue on the head as well as the scarlet spot on the 
latter.” (Sharpe.) 
“Discovered by us in October, 1891; it is the finest of the Philippines 
representatives of the genus. Found in deep forest, but especially 
abundant in the high mangrove trees south of Tataan. The amount of 
red on its head is exaggerated in the plate in The Ibis, and it is too light 
in color. 
“Eight males from Tawi Tawi measure, 268 in length; wing, 171; 
tail, exclusive of racket, 90; culmen, 22; tarsus, 15; middle toe with 
claw, 29. Four females measure, length, 255; wing, 165; tail, 96; cul- 
men, 21; tarsus, 16; middle toe with claw, 28. Iris varies from pale 
yellow to hazel; legs and feet gray; nails gray to black; bill gray to 
white.” (Bourns and Worcester MS.) 
236. PRIONITURUS MONTANUS Grant. 
MOUNTAIN RACKET-TAILED PARRAKEET. 
Prioniturus montanus GRANT, Bull. Brit. Orn. Club (1895), 4, 41; Ibis 
(1895), 466; WHITEHEAD, Ibis (1899), 397; Suarpr, Hand-List (1900), 
2, 29; McGreGor and WorcESTER, Hand-List (1906), 48. 
U-lis’, Benguet. 
Luzon (Whitehead, Worcester, McGregor, Mearns.) 
Male.—Forehead, lores, and face blue, bases of the feathers largely 
green; a large red spot on vertex, surrounded by blue; hind head, neck, 
and sides of neck grass-green; mantle, back, and rump duller and more 
yellowish green; wings, upper tail-coverts, and middle pair of rectrices 
grass-green ; lower parts green, slightly yellowish. Ivis gray; bill, legs, 
