Monarcharses takatsukasae Yamashina, in Takatsukasa and Yamashina, Dobutsu. Zasshi, 43, 1931, p. 485. (Type locality, Tinian.)

Monarcha takatsukasae Yamashina, Tori, 7, 1932, p. 400 (Tinian); Hand-list Japanese Birds, rev., 1932, p. 175 (Tinian); Hand-list Japanese Birds, 3d ed., 1942, p. 195 (Tinian); Mayr, Birds Southwest Pacific, 1945, p. 296 (Tinian); Downs, Trans. Kansas Acad. Sci., 49, 1946, p. 100 (Tinian).

Geographic range.—Micronesia: Mariana Islands—Tinian.

Characters.—Adult male: Forehead, lores, eyering, auriculars, and underparts rufous, chin paler; under tail-coverts white; crown and nape dark slate-gray; back reddish-brown; rump white; wing and tail dark brown, outer edges of first three primaries white, tail with white tips, more broadly tipped on outer tail feathers; outer edges of scapulars and secondaries buffy but tips more whitish, forming two wing bars; under wing-coverts whitish; bill slate-blue, tip pearl; feet dark slate; iris dark brown.

Adult female: Resembles adult male, but slightly smaller and crown more brownish.

Immature: Resembles adult, but base of bill lighter and underparts paler.

According to the original description by Yamashina, M. takatsukasae resembles closely the immature M. godeffroyi of Yap in coloration; however, the Tinian Monarch has a shorter wing.

Measurements.—Measurements are listed in [table 41].

Table 41. Measurements of Monarcha takatsukasae

Table 41. Measurements of Monarcha takatsukasae