(Meliphagidae; Ϯ Orange-cheeked Honeyeater O. chrysogenys) Gr. ορος oros, ορεος oreos mountain (i.e. Oranje Mts., New Guinea); ορνις ornis, ορνιθος ornithos bird; "Oreornis, nov. gen Meliphagidarum. Bill rather short, shorter than the head, culmen slightly curved, black; nostrils placed in a broad groove at the base of the bill and covered by a membrane. Wings rather long, a little longer than the tail. The fourth and the fifth primary equal in length and longest, third primary a little shorter, the second much shorter, the first a little longer than the half of the second. Tail rounded, feathers rather broad. Feet strong; tarso-metatarsus longer than middle toe with claw and scutellated in front. Dorsal plumage long and soft. Below the eye a patch of ochraceous, and on the earcoverts a patch of yellow, slightly lengthened feathers. No bare space at the head. Oreornis chrysogenys nov. spec. ♂, Oranje Mountains (4150 m.), 9 November 1910; coll. Lorentz" (van Oort 1910).