h Mus. (Nat. Hist.),
London, xiii + 385 pp., illus.

Gibson-Hill, C. A.

1950. Notes on the sea birds breeding in Malayan waters. Bull.
Raffles Mus., 23:5-64.

1952. The apparent breeding season of land birds in North Borneo
and Malaya. _Ibid._, 24:270-294.

Hachisuka, M.

1953. The affinities of Pityriasis in Borneo. Proc. Seventh Pacific
Sci. Conf., 4:67-69.

Lack, D.

1950. Breeding seasons in the Galapagos. Ibis, 92:268-278.

McGregor, R. C.

1910. A manual of Philippine birds. Pt. II. Govt. Printing Office,
Manila, xvi + 413-769 pp.

Miller, A. H.

1963. Seasonal activity and ecology of the avifauna of an American
equatorial cloud forest. Univ. California Publ. Zool.,
66(1):1-78, illus.

Moreau, R. E.

1950. The breeding seasons of African birds. 1. Land birds. Ibis,
92:223-267.

Owen, D. F.

1963. The rufous and white forms of an Asiatic Paradise Flycatcher
_Terpsiphone paradisi_. Ardea, 54:230-236.

Peters, J. L.

1934. Check-list of birds of the world. Vol. II. Mus. Comp. Zool.,
Cambridge, Massachusetts, xvii + 401 pp.

1940. Check-list of birds of the world. Vol. IV. Mus. Comp. Zool.,
Cambridge, Massachusetts, xii + 291 pp.

Peters, J. L., _et al._

1960. Check-list of birds of the world. Vol. XV. Cambridge,
Massachusetts, xii + 506 pp.

1964. Check-list of birds of the world. Vol. X. Cambridge,
Massachusetts, ix + 502 pp.

Rand, A. L., and Rabor, D. S.

1959. Notes on some Philippine bulbuls. Auk, 76:102-104.

Salomonsen, F.

1961. Notes on flowerpeckers (Aves, Dicaeidae) 4. Dicaeum igniferum
and its derivatives. Amer. Mus. Novit., No. 2057:1-35.

Sims, R. W.

1959. The _Ceyx erithacus_ and _rufidorsus_ problem. Jour. Linn.
Soc. (Zoology), 296:212-221.

Smythies, B. E.

1957. An annotated checklist of the birds of Borneo. Sarawak Mus.
J., 7:524-818.

1960. The birds of Borneo. Oliver and Boyd, London, xvi + 561 pp.,
illus.

1963. Bornean bird notes from various hands. Sarawak Mus. J.,
11:269-290.

Voous, K. H.

1950a. The breeding seasons of birds in Indonesia. Ibis,
92:279-287.

1950b. On the evolutionary and distributional history of
_Malacopte