_=Pycnonotus erythrophthalmos salvadori=_ (Sharpe): Lesser Olive-brown Bulbul.--_Specimens_, 15: Cocoa Research Station: [Male] testis 6 x 4 mm., 20.2 gm., August 12, 1962, MCT 2778; [Male] testis 6 x 5 mm., 19.8 gm., August 28, 1962, MCT 2830; [Female] ovary granular, 20.5 gm., August 28, 1962, MCT 2831; [Female] imm., 20.0 gm., September 14, 1962, MCT 2925; [Male] testis 7 x 5 mm., September 25, 1962, MCT 2928; [Male]?, October 2, 1962, MCT 2983; [Female], November 27, 1962, MCT 3357; [Male] testis small, December 1, 1962, MCT 3405; [Male] testis minute, December 2, 1962, MCT 3420; [Male] testis small, December 1, 1962, MCT 3434; [Male] testis small, November 30, 1962, MCT 3439; [Female], April 26, 1962, ADG 63; [Male], July 7, 1963, ADG 170; [Male], July 7, 1963, ADG 171; [Male], July 8, 1963, ADG 176. This species commonly fed in the shade trees (_Trema orientalis_), along with other species of bulbuls. I occasionally saw individuals in primary forest. _=Criniger bres gutturalis=_ (Bonaparte): Olive White-throated Bulbul.--_Specimens_, 25: Cocoa Research Station: [Female] ovary regressed, 41.4 gm., July 27, 1962, MCT 2666; [Female], 46.0 gm., July 28, 1962, MCT 2672; [Male], 51.2 gm., July 31, 1962, heavy molt, MCT 2685; [Male] testis 4 x 3 mm., 52.6 gm., August 2, 1962, MCT 2710; [Male], November 27, 1962, MCT 3353; [Female], November 27, 1962, MCT 3354; [Female], June 14, 1963, ADG 138; [Female], July 8, 1963, ADG 172; [Male], July 7, 1963, ADG 173; sex?, July 11, 1963, ADG 190. 12 mi. N Kalabakan: [Female], October 16, 1962, MCT 3052; [Male] testis small, October 22, 1962, MCT 3127; [Male], October 24, 1962, MCT 3137; sex?, November 1, 1962, MCT 3190; [Female], November 2, 1962, MCT 3201; [Female], November 11, 1962, MCT 3250; [Male] testis small, November 13, 1962, MCT 3271; [Female], November 17, 1962, MCT 3301. Oil Palm Research Station: [Female], August 16, 1963, ADG 246; [Female] juvenal, August 19, 1963, ADG 253; [Female], August 23, 1963, ADG 256; [Female], August 28, 1963, ADG 264; [Male], August 28, 1963, ADG 270; [Female], August 28, 1963, ADG 271; [Female], October 4, 1963, ADG 293. At the Cocoa Research Station this species was common and inhabited the cocoa and surrounding secondary forest. I found it to be common 12 miles north of Kalabakan. _=Criniger ochraceous ruficrissus=_ Sharpe: Brown White-throated Bulbul.--_Specimens_, 5: 5.5 mi. SW Tenom: [Female], December 21, 1962, MCT 3489; [Male] testis 3 x 2 mm., December 21, 1962, MCT 3490; [Male] testis 4 x 3 mm., December 21, 1962, MCT 3491; [Female], December 23, 1962, MCT 3518; [Female], December 25, 1962, MCT 3535.