simplex perplexus=_ Chasen and Kloss: White-eyed Brown
Bulbul.--_Specimens_, 3: 5.5 mi. SW Tenom: [Female] ovary granular,
December 19, 1962, MCT 3469; [Male] testis 4 x 3 mm., December 20,
1962, MCT 3478; [Female] ovary granular, December 22, 1962, MCT 3499.

This bird was taken only in the moss forest at 4,000 feet elevation
near Tenom. Smythies (1960:382) considered the species to be
characteristic of the lowlands. Specimens were taken by Harrison in
the Kelabit Uplands (Smythies, 1957:704) at 4,200 feet.

_=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, A