_=Rhinomyias umbratilis=_ (Strickland): White-throated Jungle Flycatcher.--_Specimens_, 19: Cocoa Research Station: [Female], 16.7 gm., July 25, 1962, MCT 2662; [Male] testis 6 x 5 mm., 20.7 gm., July 25, 1962, MCT 2663; [Female], 17.9 gm., July 31, 1962, MCT 2686; [Female], September 29, 1962, MCT 2974; [Male], July 8, 1963, ADG 175. 12 mi. N Kalabakan: [Male], October 10, 1962, MCT 2993; [Female], October 13, 1962, MCT 3027; [Male], October 13, 1962, MCT 3031; [Male], October 14, 1962, MCT 3036; [Male], October 16, 1962, MCT 3053; [Male], October 16, 1962, MCT 3058; [Male], October 18, 1962, MCT 3074; [Female], October 20, 1962, MCT 3107; [Male], October 23, 1962, MCT 3132; [Male], October 25, 1962, MCT 3149; [Female], October 28, 1962, MCT 3174. Ulu Balung Cocoa Estate: [Female], July 11, 1963, ADG 195; [Female], July 12, 1963, ADG 196; [Female], July 19, 1963, ADG 212. This abundant species at Quoin Hill and Kalabakan was chiefly an inhabitant of primary forest. On July 31, I observed this species singing at Quoin Hill. One sang with its mouth closed and sounded much farther away than it actually was. The song has seven notes on a descending scale. Birds observed on September 27 were in heavy molt and one specimen lacked tail feathers. _=Philentoma pyrrhoptera pyrrhoptera=_ (Temminck): Chestnut-winged Monarch Flycatcher.--_Specimens_, 10: 12 mi. N Kalabakan: [Male], October 10, 1962, MCT 2992; [Female], October 15, 1962, MCT 3048; [Male], October 20, 1962, MCT 3100; [Male], October 20, 1962, MCT 3105; [Female], November 11, 1962, MCT 3244; [Female], November 16, 1962, MCT 3291. Ulu Balung Cocoa Estate: [Male], July 9, 1963, ADG 180; [Male], July 9, 1963, ADG 181; [Male], July 24, 1963, ADG 215; [Female], July 11, 1963, ADG 192. The species was common at Kalabakan. Garcia took a few at Quoin Hill, but I observed the species there only once. _=Philentoma velata caesia=_ (Lesson): Maroon-breasted Monarch Flycatcher.--_Specimens_, 7: Cocoa Research Station: [Female], 25.0 gm., August 4, 1962, MCT 2725; [Male], 27.2 gm., August 20, 1962, MCT 2783; [Male], September 5, 1962, MCT 2872. 12 mi. N Kalabakan: [Female], October 22, 1962, MCT 3126; sex? ([Female] by plumage), October 29, 1962, MCT 3182; [Female], November 3, 1962, MCT 3205. 5.5 mi. SW Tenom: [Male], December 26, 1962, MCT 3536. At Quoin Hill this was a bird of the primary forest. The species was common in the moss forest above Tenom.