Dicæum apo Hartert, Bull. Brit. Orn. Club (1904), 14, 79; McGregor
and Worcester, Hand-List (1906), 96.
Mindanao (Waterstradt).
Diagnosis.--"Differs from D. luzoniense Grant in having the sides
of the head glossy greenish black, instead of slaty, the vent and
under tail-coverts brighter yellow, and the sides of abdomen darker
olive-green." (Hartert.)
This species is known only from Mount Apo, Mindanao.