Prionochilus bicolor Bourns and Worcester, Minnesota
Acad. Nat. Sci. Occ. Papers (1894), 1, 20; McGregor and Worcester,
Hand-List (1906), 97.
Mindanao (Bourns & Worcester).
"Adult male.--Entire upper surface deep black, with faint metallic blue
gloss; entire under surface, including under wing-coverts, axillars,
and inner webs of quills, white; bases of feathers of breast, flanks,
and abdomen slaty black. Bill, legs, and feet black; iris red. Length,
82.5; wing, 50; tail, 24; culmen, 10.6; tarsus, 14. Found in the
hills of Ayala, near Zamboanga." (Bourns and Worcester.)