Prioniturus mindorensis Steere, List Birds and Mams. Steere
Exped. (1890), 6; Salvadori, Cat. Birds Brit. Mus. (1891), 20,
419; Sharpe, Hand-List (1900), 2, 29; McGregor and Worcester,
Hand-List (1906), 49.
Mindoro (Steere Exp., Schmacker, Everett, Bourns & Worcester,
Whitehead, McGregor, Porter).
Male.--Most nearly related to P. discurus but distinguished by the
crown patch which in mindorensis is blue with a slight violet tinge
and is sharply defined in front against the green forehead; the bill
is larger and the rackets are never so long as in adult specimens
of discurus. Length, including rackets, 317; wing, 165; tail without
rackets, 90; culmen from front margin of cere, 22.
Female.--Similar to female of discurus but often with traces of the
violet crown patch. Length, including rackets, 300; wing, 160; tail
without rackets, 90; culmen from front margin of cere, 21.
"Three males average, 268 in length, exclusive of rackets; wing, 162;
tail, 135; culmen, 20; tarsus, 21; middle toe with claw, 28. A female
measures, 261 in length; wing, 154; tail, 118; culmen, 21; tarsus,
15; middle toe with claw, 27. Iris light straw-yellow, nearly white;
legs, feet, and nails light leaden; bill pale horn-color." (Bourns
and Worcester MS.)